Table of Contents


Index

Numbers

σ, 594
µ, 594
µ-law, 483
½-stroke, 124
1/3-stroke, 124
0, 466
1, 466
2.4 GHz, 357
2DRMS, 293
3Com (Computers, Communications, and Compatibility), 16
6-MHz bandwidth, 444
8-bit PC, 351
8-level digital vestigial sideband, 304
8B/10B, 25, 289
10BASE-F, 1
10BASE-T, 1-2
12-tone chromatic scale, 570
16-bit PC/AT, 352
20#, 463
20 lb., 463
20-pound office bond, 463
56k modem (56 kbit/s modem), 18-19
60-pound book, 463
62.4/125 &956;, 269
88open, 25
100 mbits/s baseband modulation on twisted pair (100BASE-T), 2-4
100BASE-FX, 2
100BASE-T (100 mbits/s baseband modulation on twisted pair), 2-4
100BASE-T2, 4
100BASE-T4, 4-5
100BASE-TX, 5
100VG-AnyLAN (100 mbits/s on voice-graded unshielded twisted pair cable for any LAN), 6-7
'302 Patent, 52
347x, 16
486DX, 17
486DX2, 17
486SX, 17
486SX2, 17
500-type, 512
800, 19
800 Digital Service, 175
800 Multimedia, 175
802.1h, 20
802.2, 20
802.3, 20
802.3x, 21
802.9a, 21-22
802.10, 22
802.11 wireless LAN standard, 22-24
802.14, 24
900 MHz, 357
1284, 7-11
1284-compliant, 10
1394, 11-13
2500 set, 512
3172 interconnect controller, 14-15
3174 establishment/enterprise controller or network processor, 15
3270, 15-16
3274, 15
3299, 16
5250, 18
8514/a, 25
16550, 13-14
80386DX, 24
80386SX, 24
80487SX, 24

A

A cable, 578
A-law, 483
A/UX, 26
ABAM, 643
Abandoned, 469
Absolute names, 190
Absolute novelty, 467
Abstract, 468
Abstract Syntax Notation One, 604
Academy format, 304
ACAP (application configuration access protocol), 26, 328
Accelerated Graphics Port (AGP), 32-33
Acceptable use policy (AUP), 72, 337
Access channels, 121
Access Control Lists, 741
Access fees, 364
Access lines, 279
Access mechanisms, 197
Access methods, 160
Access mode, 690
Access points, 624
Access time, 124, 591
ACCESS.bus, 26-27, 170
ACE (Advanced Computing Environment), 28
Acknowledgment, 181, 376, 618
Acrobat, 28
Active, 179, 305, 443, 710
Active-matrix, 380
Active negation, 582
Active termination, 576
Adaptation layers, 28-29, 207
Adaptec SCSI, 49
Adapters, 98
Adaptive answering, 253
Adaptive clock recovery, 133
Adaptive differential pulse code modulation (ADPCM), 29
Adaptive Equalization, 303
Adaptive Packet Assembly, 406
Adaptive Transform Acoustic Coding, 395
ADB (Apple Desktop Bus), 29
Add/Drop Multiplexer, 611
Additive primary colors, 146
Address, 340
Address classes, 340
Address resolution, 375
Address resolution protocol (ARP), 46-47, 108, 538
Address translation gateways, 539
Adjacency Database, 439
Administration, 60
Administrative, 713
Administrative consoles, 712
Administrative domain, 737
Adobe, 29
Adobe Type Manager (ATM), 55, 277, 512
ADPCM (adaptive differential pulse code modulation), 29
ADSL (asymmetric digital subscriber line), 30-32
Advanced ATA, 53, 321
Advanced Communication Facilities/Virtual Telecommunications Access Method, 602
Advanced Computing Environment (ACE), 28
Advanced Interactive Executive (AIX), 34
Advanced mobile phone service (AMPS), 36-40
Advanced Peer-to-Peer Internetworking (APPI), 43
Advanced Peer-to-Peer Networking (APPN), 44-45
Advanced power management (APM), 42
Advanced Program to Program Communications (APPC), 42-43
Advanced Research Projects Agency Network (ARPAnet), 47
Advanced SCSI Programming Interface (ASPI), 49
Advanced Technology (AT), 51, 352
Advanced television (ATV), 72
Advantage Networks, 32, 430
Adverse channel enhancements, 407
AFP (AppleTalk Filing Protocol), 32
Agents, 603, 739
AGP (Accelerated Graphics Port), 32-33
Air blown fiber, 270
Airplane magazine syndrome, 33-34
AIX (Advanced Interactive Executive), 34
Alignment errors, 239
Alliance for Strategic Token Ring Advancement and Leadership (ASTRAL), 49
Allocations units, 245
Allowed cell rate, 68
Alpha, 506
Alpha AXP, 34-35
Alternate mark inversion, 75, 161, 302
Alternate mark-space, 88
Alternating SVD, 634
Altitude, 292
American National Standard Code for Information Interchange, 48
American National Standard for Metric Practice, 589
American National Standards Institute (ANSI), 41
American Standard Code for Information Interchange (ASCII), 47-49
American Telephone and Telegraph, 70-71
Amorphous-silicon, 380
Amount, 397
Amplifiers, 636
Amplitude, 147, 148
Amplitude modulated, 148, 444
AMPS (advanced mobile phone service), 36-40
Analog-overlay, 204
Analog SVD, 634
Analog-to-Digital converter, 483
Anchor frames, 419
Anik, 40
Anomalistic year, 380
Anonymous ftp, 282
ANS Communications Inc. (ANS), 40-41
ANSI (American National Standards Institute), 41
Anti-jabber, 536
Anti-streaming, 536
Aperture grilles, 159
API (application program interface), 41-42, 728
APM (advanced power management), 42
APPC (Advanced Program to Program Communications), 42-43
APPI (Advanced Peer-to-Peer Internetworking), 43
Apple Computer, Inc. (Apple), 43-44
Apple Desktop Bus (ADB), 29
Apple-IBM Alliance, 44
Apple Update-Based Routing Protocol (AURP), 72
AppleTalk Filing Protocol (AFP), 32
Applets, 366
Appliance modules, 736
Application configuration access protocol (ACAP), 26, 328
Application-level gateways, 272
Application program interface (API), 41-42, 728
Application protocol, 27
Application proxy, 273
Application Server 400, 210
Application specific integrated circuits, 187
APPN (Advanced Peer-to-Peer Networking), 44-45
APPN+ (APPN Plus), 45
APPN++ (APPN Plus Plus), 45
APPN Implementor's Workshop, 181
APPN Plus (APPN+), 45
APPN Plus Plus (APPN++), 45
Architecture, 393, 569
ARCnet (Attached Resource Computer Network), 45-46
Ardis Company, 46
Are you there (AYT), 74
Area codes, 188
ARnet, 104
ARP (address resolution protocol), 46-47, 108, 538
ARP caches, 46, 108
.arpa, 190
ARPAnet (Advanced Research Projects Agency Network), 47
Arrays, 525
Ascender, 509
ASCII (American Standard Code for Information Interchange), 47-49
Aspect ratio, 708
ASPI (Advanced SCSI Programming Interface), 49
Asserted, 218
Assigned ports, 650
Assigning, 154, 331, 665
Associated, 665
ASTRAL (Alliance for Strategic Token Ring Advancement and Leadership), 49
Asymmetric data encryption, 233, 558
Asymmetric digital subscriber line (ADSL), 30-32
Asynchronous, 6, 85, 86, 90, 219, 252, 410, 575, 725
Asynchronous communications, 12
Asynchronous data communications, 150, 672, 693
Asynchronous data transmission, 49-51
Asynchronous function calls, 51
Asynchronous mode, 133
Asynchronous transfer mode (ATM), 55-70, 507
Asynchronous Transfer Mode Forum (ATM Forum), 70
AT (Advanced Technology), 51, 352
AT Attachment 2 (ATA-2), 53
AT Attachment 3 (ATA-3), 53-54
AT attachment packet interface (ATA-PI), 54, 227, 321
AT attachment software programming interface (ATASPI), 54
AT Bus Attachment (ATA), 53
AT command set, 51-53, 635, 694
AT commands, 697, 702
At sign (@), 601
At Work Fax, 254
ATA-2 (AT Attachment 2), 53
ATA-3 (AT Attachment 3), 53-54
ATA (AT Bus Attachment), 53
ATA-PI (AT attachment packet interface), 54, 227, 321
ATASPI (AT attachment software programming interface), 54
ATM adaptation layer, 57
ATM (Adobe Type Manager), 55, 277, 512
ATM (asynchronous transfer mode), 55-70, 507
ATM Forum (Asynchronous Transfer Mode Forum), 70
Atomic, 619
Atomic number, 348
AT&T Corp., 70-71
Attached Resource Computer Network (ARCnet), 45-46
Attenuation, 435, 687
Attribute information structure, 396
Attribute memory, 486
Attributes, 586, 740
ATV (advanced television), 72
Audio, 147
Auditing, 70
AUP (acceptable use policy), 72, 337
AURP (Apple Update-Based Routing Protocol), 72
Authentic, 72
Authentication, 72-74, 233, 254, 295, 501, 558, 656
Authentication certificates, 741
Authentication header, 344
Authentication server, 369
Authoritative servers, 191
Auto-addressing, 27
Automatic call distribution, 647
Automatic Number Identification, 111
Automatic number information, 162
Autonomous system, 325, 455
Available bit rate, 66, 68, 426, 726
AVI, 74
Away router, 408
AYT (are you there), 74

B

B (bidirectional predicted), 419
B cable, 578
B channels, 354
B-ISDN (broadband ISDN), 77, 429
B8ZS (Bipolar, with 8-Zero Substitution), 75-77
Baby Bells, 77, 531
Backbone, 47, 77, 460
Background Debug Mode, 368
Backhaul, 717
Backpressure, 638
Backward congestion indication, 68
Backward Explicit Congestion Notification, 279
Balanced interface, 209
Band, 36
Band 1, 422
Band 2, 422
Bandwidth Allocation Control Protocol, 403
Bandwidth on demand, 403
Bandwidth on demand interoperability group (Bonding), 92
Bandwidth Reservation, 520
Base 10 system, 85
Base protocol, 27
Base set, 481
Base station, 653
Baseline, 614
Basic input/output system (BIOS), 89-90, 224
Basic link, 689
Basic-rate interface (BRI), 94-97
Basic-rate ISDN, 355, 442
Basic Service, 133
Basic Superframe, 237
Basic trading areas, 489
Basic weight, 463
Basis size, 463
Batch, 746
Batteries, 77-83
Battery eliminator, 414
Baud, 83-84
Baudot, 84
Bayonet Neill Concelman (BNC), 92
Bayonet Nut Connector (BNC), 92
BBS (bulletin board system), 85, 684
BCD (binary coded decimal), 63, 85
BCnet, 104
Because It's There (Time) Network (BITnet), 91
Bell 103, 85-86
Bell 202, 86
Bell 202S, 86
Bell 202T, 86
Bell 212A, 86
Bell Ardis, 87
Bell Operating Companies, 531
Bellcore (Bell Communications Research Inc.), 87
Bellman-Ford, 541
Bembo, 671
Bently Nevada Corporation, 92
Berkeley Internet Name Daemon, 191
Berkeley sockets, 677, 725
Berkeley Software Distribution UNIX (BSD UNIX), 98
Berne Convention for the Protection of Literary and Artistic Works, 154, 335
BERT (bit error rate test), 87-88
Best effort service, 67, 726
Betamax, 708
Bézier spline, 456
BGP (border gateway protocol), 88
Bi-endian switching, 459
Bi-Tronics, 10
Big endian, 88-89, 399, 459, 608
Binary coded decimal (BCD), 63, 85
Binary compatible, 453
Binary exponential backoff, 639
Binary File Transfer, 254
Binary large objects (BLOB), 91
Binary portability, 318, 510, 515, 542
Binary synchronous communications (BISYNC), 90-91
Binder, 303
Bindery, 433
BIOS (basic input/output system), 89-90, 224
Bipolar, 310, 669
Bipolar, with 8-Zero Substitution (B8ZS), 75-77
Bipolar 7, with Zero Code Suppression, 75-76
Bipolar violations, 76
Birds, 568
BISYNC (binary synchronous communications), 90-91
Bit-block transfer, 176
Bit error rate test (BERT), 87-88
Bit error rates, 278
Bit errors, 87
Bit-oriented, 91, 302
Bit-rate allocation signal, 299
Bit rates
available, 66, 68, 426, 726
constant, 57, 64, 359, 426
unspecified, 66
variable, 65, 426
Bit synchronization, 50
Bitmap fonts, 91, 277
BITnet (Because It's There (Time) Network), 91
.biz, 684
Blanking, 147, 305, 443, 706
Blind PIO, 226
Blind-writers, 524
Blit, 176
BLOB (binary large object), 91
Block, 36
Block check characters, 136
Block errors, 87
Block mode, 224
Block writes, 587
Blocking, 557, 640, 725
Blue Book, 128
Blue boxes, 329
Blue Lightning, 91
Bm, 296
BNC (Bayonet Nut Connector/Bayonet Neill Concelman), 92
Body, 313
Bold, 313
Bonding (bandwidth on demand interoperability group), 92
Bookmark, 313
Boot managers, 179
Bootable, 93
Bootp (bootstrap protocol), 93
Bootstrap, 93-94
Bootstrap protocol (Bootp), 93
Border gateway protocol (BGP), 88
Boundaries, 468
Boundary Scan, 368
Branch prediction, 94
Branches, 12
Break, 704
Break signals, 50
Breakup of Ma Bell, 530
BRI (basic-rate interface), 94-97
Bridge, 480
Bridge taps, 30, 303, 642
Bridges, 552
Bridging, 180, 301
British Standards Institute, 63
Broad bandwidth, 97
Broadband, 24
Broadband ISDN (B-ISDN), 77, 429
Broadband PCS, 490
Broadcast, 174, 390, 562, 637
Broadcast and unknown server, 376
Broadcast domains, 553, 638, 713
Broadcast-quality, 710
Browsers, 312
Brute force, 285
BSD UNIX (Berkeley Software Distribution UNIX), 98
BTW (by the way), 98
Buffer underruns, 129
Buffered distributor, 290
Buffered repeaters, 290
Buffering, 67, 107
Bugs, 98
Bulk charging rate, 82
Bulk data transfers, 683
Bulletin board system (BBS), 85, 684
Bundling, 92, 403
Bureau Veritas Quality International, 359
Burning, 129
Burst EDO, 215
Burst excess bandwidth, 279
Burst-length, 749
Burst mode, 101, 480, 495, 714
Burst tolerance, 65
Bus and tag channel, 135, 236, 263
Bus arbitration, 574
Bus cycles, 479
Bus enumeration, 682
Bus manager, 12
Bus master DMA (bus master direct memory access), 101-102, 485, 505, 714
Bus-powered, 681
Buses, 98-100
ACCESS.bus, 26-27, 170
ADB (Apple Desktop Bus), 29
CardBus, 113, 485
DQDB (distributed queue dual bus), 197
local, 386, 479
memory, 475
parallel, 98, 464, 572
S Bus, 94, 442
SBus, 442
serial, 98, 464, 585-586, 681
SMBus (system management bus), 597
system, 475
USB (universal serial bus), 681-683
Busy signal, 266
Butt set, 102
By the way (BTW), 98
Bypass capacitors, 310
Byte, 446
Byte code, 366

C

Cable modems, 24, 116
Cable Television Laboratories, Inc., 116
Cables, 105-106
Cache coherency, 423, 571
Cache lines, 108
Cache miss, 108
Caches, 106-108
ARP, 46, 108
deferred write-back, 525
font, 456
Level 1, 108, 206
Level 2, 108, 206, 613
route, 108, 555
write-back, 106, 107, 248
Cachet, 348
Caching, 198
Caching-only, 191
Cairo, 109
Caliper, 463
Call letters, 533
Call progress, 513
Called, 175
Called Station Identification, 250
Called Subscriber Identification, 250
Callees, 149
Caller ID (calling number identification), 109-111, 697
Callers, 149
Calling Line Identification, 111
Calling line identification service, 111
Calling menu, 692
Calling number identification (Caller ID), 109-111, 697
Calling Subscriber Identification, 251
Calling tone, 250
Calls, 41
Canadian Intellectual Property Office (CIPO), 139
Canadian Internet (CA*NET), 103-104
Canadian Internet II (CA*NETII), 104
Canadian ISBN, 353
Canadian Metric Practice Guide, 589
Canadian Network for the Advancement of Research, Industry, and Education (CANARIE), 111-113
Canadian open systems application criteria (COSAC), 156-157
Canadian Patent Act, 470
Canadian Patent Office, 470
Canadian Radio-Television and Telecommunications Commission (CRTC), 160
CANARIE (Canadian Network for the Advancement of Research, Industry, and Education), 111-113
CA*NET (Canadian Internet), 103-104
CA*NETII (Canadian Internet II), 104
Canonical form, 188
CAP (carrierless amplitude phase), 30, 31
Capacitive, 687
Card Information Structure, 486
Card services, 485
CardBus, 113, 485
Cards, 476
Carriage return, 47
Carrier amplitude, 30
Carrier extension, 290
Carrier frequency, 696
Carrier phase, 30
Carrier Sense, 20
Carrier sense, multiple access with collision avoidance (CSMA/CA), 160-161
Carrier sense, multiple access with collision detection (CSMA/CD), 161
Carrierless amplitude phase (CAP), 30, 31
Carriers, 113-114, 644
Carterfone, 70
Cartridge, 723
CAS (Communicating Applications Specifications), 114, 254
Cascade, 479
Cascading Style Sheets Level 1, 315
Cat 5, 687
Categories, 687
Cathode ray tubes (CRT), 147, 159-160
Cathodes, 159
CATV (community antenna television), 114-118
CCD (charge-coupled device), 118-119
CCIR (Comité Consultatif International Radio), 119
CCITT (Comité Consultatif International Télégraphique et Téléphonique), 119
CCP (compression control protocol), 119, 518
CD-ROM (compact disc, read-only memory), 123-131, 574
CDE (Common Desktop Environment), 120
CDMA (code division multiple access), 120-122
CDPD (Cellular Digital Packet Data), 122-123
Ceephones, 84
Cell delay variation, 67
Cell delay variation tolerance limit, 64
Cell directories, 168
Cell loss priority, 60
Cell loss rate, 64
Cell rate decoupling, 67
Cell relaying function, 59
Cell transfer delay, 67
Cells, 77, 131-132
Cells in Frames (CIF), 139
Cellular Digital Packet Data (CDPD), 122-123
Central directory servers, 45
Central offices (CO), 142, 169, 512
Central processing units (CPU), 107, 158
486DX, 17
486DX2, 17
486SX, 17
486SX2, 17
80386DX, 24
80386SX, 24
Alpha AXP, 34-35
Centronics interface, 464
Centronics port, 7
CERT (Computer Emergency Response Team Coordination Centers), 132
Certificate Management, 739
Certification authority, 622
Certification marks, 665
Certification test, 689
Certification testers, 689
CES (circuit emulation service), 64, 133-134, 718
CGI (common gateway interface), 134-135
Challenge handshake authentication protocol (CHAP), 135-136
Chambered, 723
Channel associated signalling, 133, 642
Channel-attached, 15
Channel operator, 346
Channel seizures, 109
Channel service unit (CSU), 161-162
Channelized T1, 643
Channels, 135, 226, 292, 346, 641, 689
CHAP (challenge handshake authentication protocol), 135-136
Character, 446, 737
Character-oriented, 90
Character synchronization, 50
Characteristic impedance, 143, 687
Charge-coupled device (CCD), 118-119
Check character, 679
Checksum, 136
Chicago, 136
Child processes, 729
Chip rate, 624
Chip sequence, 624
Chips, 121, 624
Chop, 346
Chroma, 148
Chrominance, 146, 148
CHRP (Common Hardware Reference Platform), 137
CIAC (Computer Incident Advisory Capability), 137
CICS (Customer Information Control System), 137
CIDR (classless inter-domain routing), 138, 341
CIF (Cells in Frames), 139
Ciphertext, 233
CIPO (Canadian Intellectual Property Office), 139
Circuit-based inverse multiplexing, 404
Circuit emulation service (CES), 64, 133-134, 718
Cisco Systems, 140
City codes, 188
CIX (Commercial Information Exchange), 140
Cladding, 269
Claims, 468
Clarke Belt, 563
Clarke Orbit, 563
Class 1, 252, 410
Class 2, 253
Class 2.0, 253
Class 3, 253
Class A, 341, 540
Class B, 341, 540
Class C, 341, 540
Class of service (COS), 45, 156, 460, 651
Classes, 406, 634
Classical IP, 67
Classical IP over ATM (RFC 1577), 538-539
Classless inter-domain routing (CIDR), 138, 341
Clear channels, 75, 520, 641
Clear to send, 222
CLI 1992 (Call-Level Interface), 447
Client/server, 140-141, 168
Clients, 140, 170, 732, 735
CLNP (connectionless network protocol), 141
Clock slip, 609
Clocks, 219, 639
Cloning, 136, 296, 488
Closed-loop, rate-based, 66
Closed User Groups, 598
Closely held, 233
Cluster controllers, 15, 521
Clusters, 179, 245, 600
CMC (Common Mail Calls), 141, 742
CMIP (common management information protocol), 141
CMOS (complementary metal-oxide semiconductor), 142, 670
CMS (Conversational Monitor System), 142
CO (central office), 142, 169, 512
Coarse acquisition (C/A), 293
Coated, 463
Coaxial cables (Coax), 142-143
Code division multiple access (CDMA), 120-122
Code pages, 49, 675
Coder/Decoder (CODEC), 144, 483
Collaborative computing, 504
Collision Detection, 20
Collision domain, 537
Collisions, 537, 638
Colon hexadecimal, 345
Color, 144-145
Color burst, 148
Color composite video signals, 148
Color graphics adapter, 670
Color subcarrier, 148
Colorizing, 22
Column address, 215
.com, 190, 339
Comité Consultatif International Radio (CCIR), 119
Comité Consultatif International Télégraphique et Téléphonique (CCITT), 119
Command-line, 298
Command queuing, 579
Commercial Information Exchange (CIX), 140
Committed information rate, 279
Common Access Method, 49
Common air interface, 492
Common Channel Signaling standard number 7, 642
Common Channel Signaling System Number 7, 329
Common channel signalling, 642
Common Desktop Environment (CDE), 120
Common gateway interface (CGI), 134-135
Common Hardware Reference Platform (CHRP), 137
Common Intermediate Format, 299
Common law, 665
Common Mail Calls (CMC), 141, 742
Common management information protocol (CMIP), 141
Common Object Request Broker Architecture (CORBA), 155-156, 450
Common Open Software Environment (COSE), 157
Common Programming Interface for Communications (CPI-C), 157-158
Common User Access, 120
Common years, 381
Communicating Applications Specification (CAS), 114, 254
Communications controllers, 15, 263, 521
Community antenna television (CATV), 114-118
Community strings, 604
comp., 684
Compact Disc - erasable, 130
Compact Disc - rewritable, 130
Compact disc, read-only memory (CD-ROM), 123-131, 574
CompactFlash, 145-147, 274
Companding, 483
Compatibility, 578
Compatibility mode, 8, 9
Compatible, 147, 729
Compiled, 134, 499
Complementary metal-oxide semiconductors (CMOS), 142, 670
Complementary-symmetry Metal-Oxide-Semiconductor Random Access Memory, 477
Complex Instruction-Set Computing, 542
Compliance, 9
Compliant, 147
Component, 448
Component Integration Laboratories, 450
Component Object Model, 448
Composite video signals, 147-148, 443, 444
Compositions, 467
Compound devices, 681
Compound documents, 448, 450, 587
Compressed SLIP (CSLIP), 160, 170
Compression control protocol (CCP), 119, 518
Compression dictionaries, 388
CompuServe, 148-149
Computer Emergency Response Team Coordination Centers (CERT), 132
Computer Incident Advisory Capability (CIAC), 137
Computer telephony integration (CTI), 162-163, 213
Computers, Communications, and Compatibility (3Com), 16
Concentrators, 259, 536, 713
Concurrent PCI, 481
Conditioning, 636
Conducted EMI, 256
Cones, 144
Conférence Européenne des Administrations des Postes et des Télécommunications, 30, 209
Configuration manager, 508
Configuration server, 376
Congestion indication, 68
Conjugate-structure algebraic-code-excited linear prediction, 286
Connection Admission Control, 67
Connection-oriented, 149, 384, 649
Connection-oriented network protocol (CONP), 151
Connectionless, 149
Connectionless network protocol (CLNP), 141
Connectivity tree, 342
Connectors, 149-151, 226
CONP (connection-oriented network protocol), 151
Conseil Européen pour la Recherche Nucléaire, 731
Conservative optimization, 614
Constant angular velocity, 126
Constant bit rate, 57, 64, 359, 426
Constant current, 643
Constant linear velocity, 126
Constellation, 693
Containers, 170, 433, 448
Context, 729
Continental U.S., 565
Continuation in part, 470
Continuous-state leaky bucket, 67
Contours, 666
Contrast, 379
Control, 47, 743
Control message, 684
Control Program for Microcomputers, 744
Control tables, 548
Control transfers, 683
Control unit terminal (CUT), 163
Controllers, 398
Convergence Sublayer Protocol Data Units, 207
Convergence sublayers, 61
Convergence trailer, 28
Converges, 617
Conversational Monitor System (CMS), 142
Cookies, 151-152
Cooperative multitasking, 725, 729
Cooperative scheduling, 729
Coordinated universal time, 686
Coordination centers, 132
Copyrights, 139, 152-155, 330, 335, 665
CORBA (Common Object Request Broker Architecture), 155-156, 450
Cordless communications 2 (CT2), 162
Corporation for Open Systems (COS), 156, 355
Correlators, 122
COS (class of service), 45, 156, 460, 651
COS (Corporation for Open Systems), 156, 355
COSAC (Canadian open systems application criteria), 156-157
COSE (Common Open Software Environment), 157
Costs, 440
Countries, 363
Country codes, 188, 208
CPE (customer premises equipment), 157
CPI-C (Common Programming Interface for Communications), 157-158
CPU (central processing unit). See Central processing units (CPU)
Crash Recovery, 749
CRC (cyclic redundancy code), 158-159
CRC errors, 239
Cross-platform, 607
Cross-talk, 435, 687
CRT (cathode ray tube), 147, 159-160
CRTC (Canadian Radio-Television and Telecommunications Commission), 160
Crystalline formation, 83
CSLIP (compressed SLIP), 160, 712
CSMA/CA (carrier sense, multiple access with collision avoidance), 160-161
CSMA/CD (carrier sense, multiple access with collision detection), 161
CSU (channel service unit), 161-162
CT2 (cordless communications 2), 162
CT2Plus Class 2, 492
CTI (computer telephony integration), 162-163, 213
Custom Queuing, 520
Customer codes, 516
Customer Information Control System (CICS), 137
Customer premises equipment (CPE), 157
Customer provided equipment, 157
CUT (control unit terminal), 163
Cycle master, 12
Cycle start, 12
Cyclic memory, 83
Cyclic redundancy check, 302
Cyclic redundancy code (CRC), 158-159
Cylinder, head and sector, 574

D

D channels, 354
DAB (digital audio broadcast), 164-165
Daemon, 282, 546
Damping wires, 159
Dangling links, 732
Dark fiber, 270
DASD (Direct Access Storage Device), 165
Dash, 397, 398
Data access arrangement, 53, 70
Data authentication, 72
Data circuit-terminating equipment (DCE), 167-168, 218
Data communications, 165
Data communications equipment, 218
Data compression, 166, 200, 700
Data country codes, 62
Data encryption standard (DES), 172-173
Data Exchange Interface (DXI), 207
Data Link Connection Identifier, 280
Data link control layer protocol (DLC), 179-180
Data link escape, 542, 743
Data Link Switching (DLSw), 180-182, 603
Data Link Switching Plus (DLSw+), 183
Data multiplexing, 101
Data over circuit switched voice, 356
Data service unit/channel service unit (DSU/CSU), 200-201
Data service unit (DSU), 200
Data set, 635
Data sources, 446
Data-strobe encoding, 13
Data terminal equipment (DTE), 167, 201, 218
Data transfer rates, 124
Data Transmission at 48 kbps Using 60-108 kHz Group-Band Circuits, 698
Data VPN, 281
Database, 369
Database administrators (DBAs), 167
Database records, 619
Database servers, 619
Dataphone Digital Service (DDS), 171
Dataroute, 166
Daylight Savings Time, 166
DB-25, 166-167
DBA (database administrator), 167
DBS (digital broadcast service), 167
DCE (data circuit-terminating equipment), 167-168, 218
DCE (Distributed Computing Environment), 168
DCI (Display Control Interface), 168-169
DCS (Digital Channel Service), 169, 721
DDC (Display Data Channel), 169-170, 707
DDE (Dynamic Data Exchange), 170
DDS (Dataphone Digital Service), 171
De facto standards, 171, 253, 258, 385, 491, 634, 699, 700, 735
De jure standards, 171, 281
Deasserted, 219
DEC (Digital Equipment Corporation), 171-172
Decibels, 687
Decided, 364
Decision to Put to Ballot, 363
Declaration, 586
DECnet/OSI, 172
DECnet Phase IV, 172
DECT (Digital European Cordless Telecommunications), 172, 492
Dedicated, 264
Dedicated circuits, 166
Dedicated data circuits, 169
Dedicated Line, Four-wire circuit, 721
Dedicated Token Ring, 639
Default gateways, 652
Defense Advanced Research Projects Agency, 47
Deferred write-back cache, 525
Delta frames, 74
Demand priority, 6, 7
Demand priority access method (DPAM), 6
Demarc, 157
Demodulators, 292
Dependent LU Requester/Server (DLUr/DLUs), 183, 603
DES (data encryption standard), 172-173
Descender, 509
Design patents, 173, 330, 470
Deskset tools, 120
Desktop-centric, 647
Desktop management, 187
Desktop Management Interface (DMI), 185-187
Desktop Management Task Force, Inc. (DMTF), 185, 187-188
Destructive interference, 261
Det Norske Veritas, 359
Determined, 363
Deutsche Instustrie Normen, 372
Device address, 11
Device ID, 10, 570
Device types, 573
DFT (distributed function terminal), 173
DHCP (dynamic host configuration protocol), 174
Diagonal viewable image, 159
Dial pulse, 174
Diatonic scale, 570
Dibit, 693
Dictionary, 701
DID (direct inward dialing trunk), 174-175
Dielectric, 143
Dies, 243, 413
Differencing, 74
Differential, 577
Differential GPS, 294
Differential Manchester, 639
Differential PCM, 29
Differential Phase Shift Keying, 694
Differential signalling, 217, 543, 576, 686
Diffuse IR, 348
Digital 800, 175, 356
Digital Access and Cross-connect System, 643
Digital Access Cross-connect Switch, 282
Digital AMPS, 654
Digital audio broadcast (DAB), 164-165
Digital audio radio, 165
Digital broadcast service (DBS), 167
Digital Channel Service (DCS), 169, 721
Digital Command Signal, 251
Digital Communication System, 297
Digital cross-connect system, 200, 611, 643
Digital Data Service, 171
Digital Equipment Corporation (DEC), 171-172
Digital European Cordless Telecommunications (DECT), 172, 492
Digital hierarchy, 652
Digital Identification Signal, 250
Digital IDs, 741
Digital modems, 95
Digital Multiplex Switching (DMS), 187
Digital Naming Service (DNS), 190
Digital phase locked loop circuit, 231
Digital radio, 165
Digital section, 61
Digital signal cross-connect level 1 (DSX-1), 201
Digital signal level 0 (DS-0), 199
Digital signal level 1 (DS-1), 199
Digital signal level 3 (DS-3), 199
Digital signal processing (DSP), 18, 199, 405, 409
Digital signal processors, 441
Digital Simultaneous Voice and Data (DSVD), 201, 634
Digital sound broadcasting, 165
Digital Television, 307
Digital Transmission Rate 1 (T1), 641-644
Digital Transmission Rate 2 (T2), 645
Digital Transmission Rate 3 (T3), 645
Digital versatile disc, 203
Digital versatile disc (DVD), 203-206
Digital video disk, 203
Digital video (DV), 11, 203
Dijkstra's algorithm, 455
DIMM (dual in-line memory module), 175-176
Direct Access Storage Device (DASD), 165
Direct inward dialing trunk (DID), 174-175
Direct-mapped caches, 107
Direct memory access (DMA), 183-185, 476, 505
Direct RDRAM, 532
Direct sequence, 623
Direct-to-the-home, 167
DirectDraw, 169, 176
Directory, 739
Directory Access Protocol, 740
Directory entries, 246
Directory Information Shadowing Protocol, 740
Directory numbers (DN), 188-189, 208, 598
Directory Service Agent, 739
Directory Service Protocol, 740
Directory services, 739
Directory User Agent, 739
DirectX, 176-177
Discard eligibility, 280
Disconnect, 579
Disconnected, 328
Discrete cosine transformation, 304, 367, 419
Discrete multitone, 31
Disk-at-once, 129
Disk caches, 106
Disk drives, 177-178
Disk formatting, 178-179
Disk head crashes, 723
Diskette, 178
Disparity control, 25
Display Control Interface (DCI), 168-169
Display Data Channel (DDC), 169-170, 707
Display Power Management Signaling (DPMS), 197
Display refresh cycle, 336
Distance-vector, 439, 541
Distance Vector Multicast Routing Protocol, 343
Distiller, 28
Distinctive ringing, 222, 697
Distinguished name, 737, 740
Distinguishing guise, 665
Distorted, 445
Distributed computing, 168
Distributed Computing Environment (DCE), 168
Distributed Computing Object Model, 156
Distributed function terminal (DFT), 173
Distributed LANE, 376
Distributed Management Environment (DME), 185
Distributed processing, 42
Distributed queue dual bus (DQDB), 197
Divestiture, 71, 530
Divx, 206
DLC (data link control layer protocol), 179-180
DLL (dynamic link libraries), 180, 726, 728
DLSw (Data Link Switching), 180-182, 603
DLSw+ (Data Link Switching Plus), 183
DLSw Working Group, 181
DLUr (Dependent LU Requester), 183, 603
DLUs (Dependent LU Server), 183, 603
Dm, 296
DMA (direct memory access), 183-185, 476, 505
DME (Distributed Management Environment), 185
DMI (Desktop Management Interface), 185-187
DMS (Digital Multiplex Switching), 187
DMTF (Desktop Management Task Force, Inc.), 185, 187-188
DN (directory number), 188-189, 208, 598
DNS (Digital Naming Service), 190
DNS (domain name system), 190-196
Document Instance, 587
Document Type Definition, 586
Dolby Digital Surround sound, 203
Domain name servers, 174, 190
Domain name system (DNS), 190-196
Dot pitches, 159
Dots per inch (DPI), 197
Dotted decimal, 340, 345
Double-clocking, 33
DoubleDensity, 275
Downlink, 565
Downstream channel, 30
DPI (dots per inch), 197
DPMS (Display Power Management Signaling), 197
DQDB (distributed queue dual bus), 197
DRAM (dynamic random access memory), 197-199, 215
Drawings, 468
Drivers, 506
Drop-and-insert, 200
Dry, 643
DS-0 (digital signal level 0), 199
DS-1 (digital signal level 1), 199
DS-3 (digital signal level 3), 199
DSP (digital signal processing), 18, 199, 405, 409
DSU/CSU (data service unit/channel service unit), 200-201
DSU (data service unit), 200
DSVD (Digital Simultaneous Voice and Data), 201, 634
DSX-1 (digital signal cross-connect level 1), 201
DTE (data terminal equipment), 167, 201, 218
DTMF (Dual-Tone Multi-Frequency), 201-202
Dual Attachment Stations, 259
Dual counter-rotating rings, 609
Dual homing, 259, 374
Dual in-line memory module (DIMM), 175-176
Dual In-line Package, 576
Dual-key data encryption, 558
Dual-mode, 488, 654
Dual-ported, 587, 717
Dual processing, 495
Dual ring, 259, 609
Dual ring-of-trees, 259
Dual-scan twisted nematic, 379
Dual-Tone Multi-Frequency (DTMF), 201-202
Duplex, 30, 150
Duplexing, 525
DV (digital video), 11, 203
DVD (digital versatile disc), 203-206
DX4, 206-207
DXI (Data Exchange Interface), 207
Dynamic, 134, 197, 342, 620
Dynamic branch prediction, 94
Dynamic data exchange (DDE), 170
Dynamic execution, 497
Dynamic host configuration protocol (DHCP), 174
Dynamic link libraries (DLL), 180, 726, 728
Dynamic memory allocation, 511
Dynamic random access memory (DRAM), 197-199, 215
Dynamic rate conversion, 267
Dynamic reconfiguration, 508

E

E-IDE (Enhanced IDE), 54, 224-227, 322, 323
E-SMR (Enhanced Specialized Mobile Radio), 209
E1, 209
E2, 209
E3, 210
E4, 210
E5, 210
E.163, 208
E.164, 208-209
Ear and Mouth, 667
Early packet discard, 67
Easter egg, 210
Eastern Daylight Time, 166
EBCDIC (Extended Binary Coded Decimal Interchange Code), 210-212
ECC (Error-Correction Code), 212-213, 466
Echo cancellation, 303
ECP (Extended Capabilities Port), 8, 213
ECTF (Enterprise Computer Telephony Forum), 213-214
Edge devices, 69, 421
Edge jitter, 536
EDI (Electronic Data Interchange), 214-215, 500
Edition 1, 676
EDO DRAM (extended data out dynamic random access memory), 215
.edu, 190, 339
EIA-449, 216-217
EIA-485, 217-218
EIA (Electronic Industries Association), 216
EIA/TIA-232, 218-223
EIA/TIA-530, 223-224
EIA/TIA TSB-37a, 224
EISA (Extended Industry Standard Architecture), 227
Elastic, 559
Electric fields, 229
Electrical Characteristics of Balanced Voltage Digital Interface Circuits, 658
Electrical Characteristics of Unbalanced Voltage Digital Interface Circuits, 659
Electrical loads, 479
Electrically erasable, programmable read only memory, 274
Electrodes, 77
Electroluminescent, 379
Electrolytes, 77
Electromagnetic compatibility (EMC), 228-229
Electromagnetic fields (EMF), 228, 229, 641, 648
Electromagnetic interference (EMI), 229, 230, 231
Electron beam, 336
Electronic Data Interchange (EDI), 214-215, 500
Electronic Funds Transfer, 500
Electronic Industries Association (EIA), 216
Electronic Industries Association/Telecommunications Industry Association Recommended Standards
EIA/TIA-232, 218-223
EIA/TIA 530, 223-224
EIA/TIA TSB-37a, 224
TIA/EIA-422, 657-658
TIA/EIA-423, 658-659
Electronic Mail Broadcast to a Roaming Computer (EMBARC), 228
Electronic serial numbers, 136, 488, 657
Electronic whiteboard, 633
Element names, 586
Elements, 586
Elevator algorithm, 579
ELF (extremely low frequency), 228
EMBARC (Electronic Mail Broadcast to a Roaming Computer), 228
Embedded agents, 548
Embedded SQL, 619
EMC (electromagnetic compatibility), 228-229
EMF (electromagnetic field), 228, 229, 641, 648
EMI (electromagnetic interference), 229, 230, 231
EmPower, 230
Emulated LANs, 375
Emulation, 542
Encapsulated PostScript (EPS), 235-236
Encapsulated security payload, 344
Encapsulation, 180, 230-231, 423, 598, 704
Enciphering, 233
Encoding, 231-232, 259, 270, 639
Encrypted session, 716
Encryption, 233-234, 254, 501, 656
End nodes, 44, 382
End-system address, 62
End system (ES), 236
Energy Star, 197, 234
Enhanced BIOS, 224, 322
Enhanced Category 5, 687, 688
Enhanced IDE (E-IDE), 54, 224-227, 322, 323
Enhanced IGRP, 326
Enhanced Parallel Port (EPP), 8, 234-235
Enhanced serial data interface, 573
Enhanced Serial Port (ESP), 238
Enhanced Specialized Mobile Radio (ESMR/E-SMR), 209, 237-238
Enhanced throughput cellular, 39
Enhanced Video Connector (EVC), 241-242
Enhanced write performance, 481
Enterprise Computer Telephony Forum (ECTF), 213-214
Enterprise Network Roundtable, 70
Enterprise systems connection (ESCON), 236, 263
Enterprise wireless transmission, 492
Entertainment units, 204
Entries, 245, 620
Enumeration, 508
Enumerators, 508
EPP (Enhanced Parallel Port), 8, 234-235
EPROM, 198, 588
EPS (Encapsulated PostScript), 235-236
Equal, 358
Equalization, 696
Equally tempered scale, 570
Equipment, 467
Equivalent, 175
Erasable, Programmable, Read-Only Memory, 198, 588
Error-Correcting Mode, 252, 254, 410
Error-Correction Code (ECC), 212-213, 466
Error Detection and Correction, 213
Error detection and error correction, 700
Error-free seconds, 87
Error terms, 419
Errored-seconds, 87
ES (end system), 236
Escape sequences, 482
Escaping, 659
ESCON (enterprise systems connection), 236, 263
ESF (extended superframe), 237, 642
ESMR (Enhanced Specialized Mobile Radio), 237-238
ESP (Enhanced Serial Port), 238
Essential features, 468
Ethernet, 239-240
Ethernet II, 240
ETSI (European Telecommunications Standards Institute), 240
Eunuch, 677
Eureka 147, 164
Euro-ISDN, 437
European Article Numbering, 352
European Laboratory for Particle Physics, 731
European Telecommunications Standards Institute (ETSI), 240
EVC (Enhanced Video Connector), 241-242
Even, 466
Events, 547
Examination fees, 331, 469
Excess information rate, 279
Exchange, 28
Exchanges, 169
Exclusive, 423
Execute in place, 395, 485
Exercising, 83
Explicit Forward Congestion Indication, 60, 68
Explicit rate, 68, 139
Explicit rate marking, 68
Exported, 733
Extended Binary Coded Decimal Interchange Code (EBCDIC), 210-212
Extended Capabilities Port (ECP), 8, 213
Extended character sets, 49, 675
Extended data out dynamic random access memory (EDO DRAM), 215
Extended Display Identification Data, 169
Extended Four-Letter Acronym, 661
Extended Graphics Adapter (XGA), 743
Extended Industry Standard Architecture (EISA), 227
Extended MAPI, 393
Extended partitions, 179
Extended superframe (ESF), 237, 642
Extenders, 115
Extensible Markup Language (XML), 743
Exterior gateway protocol, 88
External, 577
External caches, 108
External clock, 220
External dial-up modems, 410
External entities, 587
External gateway protocols, 317
Extinction ratio, 270
Extra Low Frequencies, 648
Extranet, 242, 339
Extremely low frequency (ELF), 228

F

F_____ up beyond all recognition (FOO.BAR), 277
Fab (fabrication plant), 243
Fabric, 267
Fabrication plant (Fab), 243
Face, 277
Facility data link, 133, 200, 237
Facsimile (fax), 248-255
Fair dealing, 153
Fair use, 153
Fallback, 692
False, 219
FAQ (frequently asked questions), 244
Farads, 310
Fast-20, 578, 582
Fast ATA, 245
Fast ATA-2, 245
Fast busy, 513, 593
Fast Ethernet, 2
Fast Ethernet Alliance, 3
Fast-hopping, 623
Fast IDE, 245
Fast IR, 347
Fast link pulse, 3
Fast-page mode DRAM (FPM), 278
Fast SCSI, 578
FAT (file allocation table), 245-248
Fax (facsimile), 248-255
Fax server, 175
FCC (Federal Communications Commission), 255
FCC Part 15 (FCC Code of Federal Regulations Title 47, Part 15, Class A and Class B Radiated and Conducted EMI Limits), 255-257
FCR 1918, 539-540
FCS errors, 239
FCS (frame check sequence), 257-258
FDDI (fiber distributed data interface), 258-260
FDDI Follow-On LAN (FFOL), 263
FDDI Full-Duplex Technology (FFDT), 263
FDDI-II (fiber distributed data interface II), 261
Fear, uncertainty, and doubt (FUD), 282-283, 654
February 1995 Release, 485
FEC. See Forward error correction (FEC)
FED (field emission display), 262
Federal Communications Commission (FCC), 255
Federal Reserve District Transit Symbol, 397
Feed sites, 684
FEP (fluorinated ethylene propylene), 262
FEP (front end processor), 263, 521, 584
FFDT (FDDI Full-Duplex Technology), 263
FFOL (FDDI Follow-On LAN), 263
Fiber distributed data interface (FDDI), 258-260
Fiber distributed data interface II (FDDI-II), 261
Fiber optic cables, 268-271
Fiber-optic inter repeater link (FOIRL), 276
Fibre channel, 264-268
Fibre channel enhanced physical, 267
Fibre channel physical, 265
Fibre Channel Systems Initiative, 266
Field emission display (FED), 262
Fields, 336, 443
File allocation table (FAT), 245-248
File systems, 179
File transfer, access, and management (FTAM), 282
File transfer protocol (FTP), 282
File version numbers, 127
Filesystem permission bits, 690
Filing fees, 469
Filters, 553, 638
Fine, 251
Finger, 271-272
Fingerprint, 394
FIR, 347
Fire 1, 286
Fire 2, 286
Firewalls, 272-274, 539
FireWire, 274
Firmware, 697
First-party control, 647, 668
First-party DMA, 101
Fixed, 109, 671
Fixed disk drives, 177
Fixed-pitch, 671
Flag characters, 673
Flame, 274
Flash memory, 18, 274-275
Flash translation layer, 275, 395
Flat, 729
Flat ribbon cable, 577
Flicker, 336, 461
Flip-flop, 198
Flippy disks, 203
Float voltage, 82
Floating point operation per second (FLOP), 275
Flooding, 504, 637
FLOP (floating point operation per second), 275
Floppy, 178
Flow control, 226, 275-276, 702
Flow ID, 345
Flow Switching, 556
Flows, 61, 556
Fluorinated ethylene propylene (FEP), 262
Fluorine, 262
FOIRL (fiber-optic inter repeater link), 276
Folders, 276
Font cache, 456
Font styles, 671
Fonts, 277
bitmap/image/raster, 91, 277
italic, 313, 671, 720
outline/scalable/vector, 55, 91, 277, 456, 569, 666
sans-serif, 671
serif, 671
Type 1, 277, 512
Type 3, 512
FOO.BAR (f_____ up beyond all recognition), 277
Footprints, 565
For what it's worth (FWIW), 283
Foreign, 667
Foreign Exchange Service - Office, 667
Foreign Exchange Service - Subscriber, 667
Forged, 72
Fork-lift upgrade, 569
Form 1, 130
Form 2, 130
Format Output Specification Instance (FOSI), 587
Forward, 638
Forward error correction (FEC), 84, 123, 261-262, 306, 533, 636, 697
Forward Explicit Congestion Notification, 279
Forward pressure, 639
Four-color process, 146
Four-way set-associative, 107
FPM (fast-page mode DRAM), 278
Fraction, 282
Fractional T1 (FT1), 282, 303
Fragment extension, 536
Frame-based user to network interface (FUNI), 283
Frame buffers, 33, 529
Frame check sequence (FCS), 257-258
Frame discard, 67
Frame interpolation, 367
Frame rates, 461, 711
Frame relay, 278-281, 603
Frame Relay Forum, 281
Frame synchronization, 237
Frame User to Network Interface, 207
Frames, 278, 336, 346, 443, 494, 641
Framing bits, 641
Framing errors, 50
FreePhone, 19, 674
Frequency division multiple access, 36, 492
Frequency division multiplexing, 641
Frequency hopping, 623
Frequency modulated, 147, 444, 580
Frequency shift keying, 86, 250, 693
Frequently asked questions (FAQ), 244
Front end processors (FEP), 263, 521, 584
FT1 (Fractional T1), 282, 303
FTAM (file transfer, access, and management), 282
ftp:, 680
FTP (file transfer protocol), 282
FUD (fear, uncertainty, and doubt), 282-283, 654
Full, 620
Full Common Intermediate Format, 299
Full-duplex, 283, 636
Full-duplex repeaters, 290
Full speed, 682
Full-stroke, 124
Fully-associative caches, 107
Funding program, 112
FUNI (Frame-based user to network interface), 283
Future, 419
FWIW (for what it's worth), 283

G

<G> (grin), 284
G.711, 284
G.721, 284
G.722, 284-285
G.723, 285
G.726, 285
G.727, 285
G.728, 285-286
G.729, 286
G.732, 286
G.733, 286
Gallium arsenide (GAAS), 286
Galvanic reaction, 592
Game port, 286-287
Garamond, 671
Gateway computers, 606
Gateway programs, 134
Gateways, 134, 190, 301, 554, 601, 602
Gateways of last resort, 652
GDI (graphical device interface), 287
General Secretariat, 363
General switched telephone network, 514
Generalized Markup Language, 587
Generator polynomials, 158
Generic Cell Rate Algorithm, 64-65, 66
Generic flow control, 59
Generic security service - application program interface (GSS-API), 295
Generic top-level domain memorandum of understanding, 191
GeoPort, 287-288
Geostationary, 563
Ghostscript, 288
GIF (Graphics Interchange Format), 288
Gigabit Ethernet, 288-291
Gill Sans, 671
Global Navigation Satellite System, 294
Global Positioning System (GPS), 292-294
Global Regular Expression Print (GREP), 295
Global system for mobile communication (GSM), 295-297
Glyph shape, 666
GMT (Greenwich Mean Time), 291, 660, 685
Goodput, 67
gopher:, 291, 680
GOSIP (Government OSI Profile), 292
.gov, 190, 339
Government OSI profile (GOSIP), 292
GPS (Global Positioning System), 292-294
Graded index, 269
Graded index, multimode 62.4/125 , 268
Grains, 723
Graphical device interface (GDI), 287
Graphical user interface (GUI), 298, 414
Graphics accelerators, 169
Graphics Display Interface, 169
Graphics Interchange Format (GIF), 288
Graphs, 455
Green Book, 128, 258
Green screen, 16
Greenwich Mean Time (GMT), 291, 660, 685
Gregorian calendar, 381
GREP (Global Regular Expression Print), 295
Grin (G or GRIN), 284
Ground loops, 630, 686
Grounding, 310, 667
Group 3, 410
Group identifier, 22
Group modem, 698
Group type, 533
Groupe Spécial Mobile, 295
Groups, 249, 327, 533, 713
Groups of pictures (GOPs), 418, 419
GSM (global system for mobile communication), 295-297
GSS-API (generic security service - application program interface), 295
Guaranteed service, 726
Guard time, 52
GUI (graphical user interface), 298, 414
Gunning Transistor Logic, 498
Guns, 159

H

H.245, 299
H.261, 299
H.263, 300
H.310, 300
H.320, 300-301
Hackers, 301
Half-duplex, 302, 636
Half-rate, 653
Half-session, 388
Hamming codes, 213, 526
Handheld PC (HPC), 312
Hard disk drives, 177
Hard drives, 177
Hardware flow control, 221
Hardware routers, 551
Hayes AT, 252
HDLC (high-level data link control), 302, 584
HDSL (High-Bit-Rate Digital Subscriber Line), 302-303
HDTV (high-definition television), 303-307
Header error control, 61
Headers, 344, 577
Headless, 307
Heatherington method, 52
Helvetica, 671
Hewlett-Packard Company (HP), 311
Hierarchical, 479
Hierarchical File System, 126
High, 218
High bands, 115
High-Bit-Rate Digital Subscriber Line (HDSL), 302-303
High-definition television (HDTV), 303-307
High-density, 579
High-density bipolar 3, 77
High-level data link control (HDLC), 302, 584
High-level formatting, 179
High-Level Language Application Programming Interface (HLLAPI), 309
High-Performance Parallel Interface (HiPPI), 307-308
High-Performance Routing/Advanced Program-to-Program Communications (HPR/APPN), 312
High Sierra, 126
High-speed ("broadband") test network, 112
High-speed serial interface (HSSI), 312
High Speed Token Ring, 663
Hinting, 456, 512, 666
HiPPI (High-Performance Parallel Interface), 307-308
Hit rate, 17, 107
HLLAPI (High-Level Language Application Programming Interface), 309
Holding time, 361
Home pages, 309, 731
Home router, 408
Hop-by-hop virtual source/virtual destination, 68
Hop counts, 541
Hop table, 549
Hopping sequences, 623
Horizontal blanking, 147
Horizontal cabling, 629
Horizontal retrace, 336
Horizontal sync, 147
Host independence, 485
Hosts, 309, 630
Hot plug, 27, 241, 310-311
Hot Sparing, 526
Hot Swapping, 485, 526
HP (Hewlett-Packard Company), 311
HP-UX, 312
HPC (handheld PC), 312
HPR/APPN (High-Performance Routing/Advanced Program-to-Program Communications), 312
HSSI (high-speed serial interface), 312
.htm, 680
HTML (Hypertext Markup Language), 312-315
http:, 680
HTTP daemon, 134
HTTP (Hypertext Transfer Protocol), 315-316, 732
Hubs, 536, 637, 638, 717
Hue, 146, 148, 461
Huffman-encoded, 131
humanities., 684
Hunt group, 175
Hyperchannel, 520
Hypermedia/Time-based Structuring Language, 587
Hyperstream, 281
Hypertext, 312, 587
Hypertext Markup Language (HTML), 312-315
Hypertext Transfer Protocol (HTTP), 315-316, 732

I

I am not a lawyer (IANAL), 318
I (intra), 418
I2O (Intelligent Input/Output), 317
IAB (Internet Architecture Board), 317, 337
IANA (Internet Assigned Numbers Authority), 317-318, 400, 650
IANAL (I am not a lawyer), 318
IAP (Internet Access Provider), 318
IBCS (Intel Binary Compatibility Standard), 318
IBM (International Business Machines), 318, 477, 629
ICMP (Internet Control Message Protocol), 319, 504
ICOMP (Intel Comparative Microprocessor Performance Index), 319-320
Id, 461
IDE (integrated drive electronics), 320-324
IDEA (International Data Encryption Algorithm), 324, 500
IDEN (Integrated Dispatch Enhanced Network), 237, 324
Idle cells, 67
IEC (interexchange carrier), 324
IEC (International Electrotechnical Commission), 325
IEEE (Institute of Electrical and Electronics Engineers), 10, 325
IETF (Internet Engineering Task Force), 325, 337
IGP (interior gateway protocol), 325
IGRP (Interior Gateway Routing Protocol), 326
ILSR (IPX Link State Router), 326
IMA (inverse multiplexing over ATM), 326-327
Image fonts, 91
IMAP (Internet Message Access Protocol), 327-328
IMHO (in my humble opinion), 328
Improved Escape Sequence with Guard Time, 52, 659
In-band, 201, 276, 328-329
In-bandwidth, 328
In-line frames, 314
In my humble opinion (IMHO), 328
In situ, 448
Inband, 513
Incident Analysis Group, 132
Incumbent LECs, 382
Index of refraction, 378
Indexer, 719
IND$FILE, 329
Indoor units, 718
Inductive, 687
Inductors, 636
Industrial design application, 330
Industrial designs, 139, 173, 330-331, 335
Industrial patents, 470
Industrial/scientific/medical radio frequency bands (ISM), 357
Industry Canada, 331
Industry Numbering Committee, 19, 189
Industry standard architecture (ISA), 351-352
Industry standards, 171
Inelastic, 559
InFLEXion, 430
.info, 191
Information Management System, 387
Infrared Data Association (IRDA), 347-348
Infringement, 153, 665
Infringers, 468
Initial domain identifiers, 62
Initial domain parts, 62
Initial Program Load, 94
Initially designed, 457
Initiators, 574
Injunction, 331
Inroutes, 717
Insert error, 88
Institut National de Recherche en Informatique et en Automatique, 733
Institute of Electrical and Electronics Engineers (IEEE), 10, 325
Instruction execution units, 632
Integrated circuit topographies, 139
Integrated Circuit Topography Act, 332, 470
Integrated circuits, 672, 748
Integrated development environment, 323
Integrated Device Electronics, 323
Integrated Dispatch Enhanced Network (iDEN), 237, 324
Integrated drive electronics (IDE), 320-324
Integrated IS-IS, 332
Integrated PNNI, 507
Integrated services digital network (ISDN), 95, 354-357
Integrity, 74
Intel Binary Compatibility Standard (iBCS), 318
Intel Blue, 355
Intel Comparative Microprocessor Performance Index (ICOMP), 319-320
Intel Corporation (Intel), 332-333
Intellectual property protection, 173, 331, 334-335, 664
Intelligent, 646
Intelligent Input/Output (I2O), 317
Intelligent Peripheral Interface, 308
Intelligent token, 73
Intensity, 146
Interactive access, 460
Interactive UNIX, 608
Interactive voice response, 162
Interconnect, 157
Interexchange carrier (IEC), 324
Interexchange carrier (IXC), 364
Interface Message Processors, 337
Interfaces, 448, 698
Interframe gap, 460
Interim Inter-switch Signalling Protocol, 507
Interim Local Management Interface, 61, 375
Interim Standard, 657
Interior gateway protocol (IGP), 325
Interior Gateway Routing Protocol (IGRP), 326
Interlaced, 336, 443
Interlacing, 288, 367
Interleaved, 526
Intermediate, 480, 620
Intermediate system (IS), 351
Intermediate system to intermediate system (IS-IS), 351
Intermix, 267
Internal, 577
Internal clock, 220
Internal modems, 410, 695
International access code, 674
International Ad Hoc Committee, 191
International Atomic Time, 685
International Business Machines (IBM), 318, 447, 629
International code designators, 63
International Data Encryption Algorithm (IDEA), 324, 500
International Electrotechnical Commission (IEC), 325
International Organization for Standardization 9000 Certification (ISO 900X), 358-359
International Organization for Standardization (ISO), 357-358
International prefixes, 208
International Radio Consultative Committee, 119
International Standard Book Number (ISBN), 352-354
International Standard Serial Number, 354
The International System of Units (SI), 589-591
International Telecommunication Union, Telecommunication Standardization Sector (ITU-T), 363-364
International Telecommunication Union (ITU), 362-363
International Telegraph Alphabet Number 2, 84
International Telegraphy and Telephony Consultative Committee, 119
International version, 503
Internationalization of the HyperText Markup Language, 315
Internet, 336-338
internet, 336
Internet 2, 338
Internet Access Provider (IAP), 318
Internet Activities Board, 317
Internet Architecture Board (IAB), 317, 337
Internet Assigned Numbers Authority (IANA), 317-318, 400, 650
Internet Control Message Protocol (ICMP), 319, 504
Internet Engineering Task Force (IETF), 325, 337
Internet group management protocol, 342
Internet Message Access Protocol (IMAP), 327-328
Internet multicase backbone (MBone), 393-394
Internet Network Information Center (InterNIC), 339
Internet packet exchange (IPX), 345-346
Internet protocol (IP), 340, 344
Internet protocol multicast (IP Multicast/Multicast IP), 342-344, 425
Internet protocol version 6 (IPv6), 344-345
Internet relay chat (IRC), 346-347
Internet service providers (ISP), 318, 360-362, 520, 725
Internet Society, 337
InterNIC (Internet Network Information Center), 339
Interoperability Access Point Protocol, 23
Interpolating, 417, 419
Interpret as Control, 655
Interpreted, 134, 366, 499
Interrupt controller, 349
Interrupt data transfers, 683
Interrupt request (IRQ), 349-350, 476
Interspan, 281
Intersymbol interference, 269
Intranet, 242, 339
IntranetWare, 435
Invalid, 423
Inverse multiplexer, 175, 340
Inverse multiplexing, 21, 337, 403
Inverse multiplexing over ATM (IMA), 326-327
Ionize, 229
IP address, 340-341
IP (Internet protocol), 340, 344
IP multicast (Internet protocol multicast), 342-344
IP Security (IPSec), 344
IPv6 (Internet protocol version 6), 344-345
IPX (Internet packet exchange), 345-346
IPX Link State Router (ILSR), 326
IRC (Internet relay chat), 346-347
IRDA (Infrared Data Association), 347-348
Iridium, 348-349
IRQ (interrupt request), 349-350, 476
IS (intermediate system), 351
IS-IS (intermediate system to intermediate system), 351
ISA (industry standard architecture), 351-352
ISBN (International Standard Book Number), 352-354
ISDN (integrated services digital network), 95, 354-357
ISDN terminal adapter (TA), 95, 645-646
ISM (industrial/scientific/medical radio frequency bands), 357
ISO 900X (International Organization for Standardization 9000 Certification), 358-359
Iso-Ethernet, 22
ISO (International Organization for Standardization/Organisation Internationale de Normalisation), 357-358
Isochronous, 6, 56, 261, 359
Isochronous communications, 12
Isochronous data transfers, 683
Isochronous Ethernet Integrated Services, 22
Isochronous resource manager, 12
IsoEnet, 22
Isosceles triangle, 358
ISP (Internet service provider), 318, 360-362, 520, 725
Italics, 313, 671, 720
Item code number, 679
ITU (International Telecommunication Union), 362-363
ITU-T (International Telecommunication Union, Telecommunication Standardization Sector), 363-364
IXC (interexchange carrier), 364

J

Jabber errors, 239
Jackets, 105
Jacks, 150
Jam, 639
Jamming, 623
Japan Electronics Industry Development Association (JEIDA), 484
Java programming language (Java), 365-367
Jitter, 561
Joined, 619
Joint menu, 692
Joint Photographic Experts Group (JPEG), 367
Joint Test Access Group (JTAG), 368
JPEG (Joint Photographic Experts Group), 367
JTAG (Joint Test Access Group), 368
Julian calendar, 381
Jump tables, 89
Just-in-time, 366

K

K56Flex, 18
Kaleida Labs, 44, 369
Keep-alive, 181, 384
Kerberos, 168, 369-370
Kerberos server, 369
Kermit, 370-372
Key digest, 503
Key frames, 74
Key number, 398
Key ring, 500
Keyboard, 372
Keying, 612
Keys, 619

L

L1, 702
L1 caches, 108, 206
L2, 702
L2 caches, 108, 206, 613
L2TP (layer 2 tunnelling protocol), 374
L3, 702
L4, 702
LAN Emulation (LANE), 61, 375-376, 421
LAN emulation server, 376
LAN emulation service, 375
LAN (local area network), 373-374, 375, 421, 597
LAN Network Manager (LNM), 386
Land-line, 123
Lands, 124
Landscape, 456
Languages
Generalized Markup Language, 587
HTML (Hypertext Markup Language), 312-315
Hypermedia/Time-based Structuring Language, 587
Java programming language, 365-367
PCL (Printer Command Language), 482-483
Perl (Practical Extraction and Report Language), 499
PostScript Page Description Language, 235, 482, 511-512, 666
RIPscrip (Remote Imaging Protocol Script Language), 541
SGML (Standard Generalized Markup Language), 586-587
SQL (Structured Query Language), 619-620
SQL2 (Structured Query Language 2), 620
Tcl (tool command language), 647-648
Virtual Reality Markup Language, 717
VRML (Virtual Reality Modeling Language), 717
XML (Extensible Markup Language), 743
LAPM (link access procedure for modems), 376
Laser diodes, 124, 530
LAST (local area systems technology), 376
LASTPORT (local area storage transport), 377
LAT (local area transport), 377
LATA (local-access transport area), 377
Latency, 377-378, 638, 727
Latitude, 292
Layer 2 forwarding, 716
Layer 2 tunnelling protocol (L2TP), 374
Layered Device Driver Architecture, 49
Lazy writes, 248, 525
LBX (low bandwidth X), 379
LCD (liquid crystal display), 379-380
LDAP (lightweight directory access protocol), 380
Le Système International d'Unités (SI), 589-591
Leap year, 380-381
Leased lines, 47, 166, 169, 171, 409
Least significant bit/byte (LSB), 384, 386
Leaves, 12
LEC (local exchange carrier), 382, 530
Ledger, 462
Legacy, 520
Legacy system, 382
Lempel-Ziv, 389, 701
Lempel-Ziv-Stac (LZS), 388
Lempel-Ziv-Welch (LZW), 388-389
LEN (Low-Entry Networking), 44, 382, 521
Letter-box, 204, 445
Letter size, 462
Letter.numbers, 625
Letters of intent, 626
Level, 688
Level 1, 9, 415, 511
Level 1 caches, 108, 206
Level 2, 9, 415, 511
Level 2 caches, 108, 206, 495, 498, 613
Level 5, 701
Level I, 689
Level II, 689
Level One, 126
Levels, 406
Licensed, 665
Licensed millimeter wave service (LMWS), 385
Light amplification by stimulated emission of radiation, 270
Light emitting diode, 268
Light modules, 736
Lightweight directory access protocol (LDAP), 380
Limitcheck, 511
Limited liability company, 348
Line Build-Out, 642
Line feeds, 47, 210
Line Interface Unit, 642
Line-of-sight, 562
Line Probing, 696
Line supervision, 253, 642
Linear prediction coding, 285
Lines, 61, 314, 336, 667
Lines per inch, 197
Link access procedure for modems (LAPM), 376
Link control protocol, 518
Link layers, 433
Link-state, 383, 440, 541
Link State Database, 439
Linux, 383
Liquid crystal, 379
Liquid crystal display (LCD), 379-380
Little endian, 384, 402, 459
Live-links, 170
LLC2 (Logical Link Control Type 2), 179, 384
LMCS (Local Multipoint Communications System), 384
LMDS (Local Multipoint Distribution Service), 384-385
LMWS (licensed millimeter wave service), 385
LNM (LAN Network Manager), 386
Loaders, 93
Loading coils, 636
Local, 341
Local-access transport area (LATA), 377
Local analog loopback, 703
Local area network (LAN), 373-374
Local area storage transport (LASTPORT), 377
Local area systems technology (LAST), 376
Local area transport (LAT), 377
Local bridges, 386, 552
Local bus, 386, 479
Local exchange carrier (LEC), 382, 530
Local loop, 382, 512, 642
Local loopback, 222
Local Management, 281
Local management information, 207
Local management interface, 281, 385
Local measured service, 356
Local Multipoint Communications System (LMCS), 384
Local Multipoint Distribution Service (LMDS), 384-385
Local number portability, 382
Local numbers, 188
Local polling, 618
Local termination, 181, 618
Locally administered address, 391
Locked, 605
Log-structured file system, 527
Logarithm, 436
Logic families, 669
Logical block address, 225, 574
Logical formatting, 179
Logical Link Control Type 2 (LLC2), 179, 384
Logical partitions, 179
Logical track image, 527
Logical unit (LU), 386, 388
Logical unit numbers, 574
Logical unit type 0 (LU 0), 387
Logical unit type 1 (LU 1), 387
Logical unit type 2 (LU 2), 387
Logical unit type 3 (LU 3), 387
Logical unit type 4 (LU 4), 387
Logical unit type 6.1 (LU 6.1), 387
Logical unit type 6.2 (LU 6.2), 387-388
Logical unit type 7 (LU 7), 388
Long grain, 461
Long-haul lines, 642
Longitude, 292
Look-ahead caching, 107
Look-aside caches, 107
Look-through, 107
Loop 1, 702
Loop 3, 702
Loopbacks, 702
Lossless compression, 131
Lossless data compression, 166, 252, 288, 386
Lossy data compression, 166, 367, 386, 417
Low, 219
Low bands, 115
Low bandwidth X (LBX), 379
Low-delay code-excited linear prediction, 285
Low Earth Orbit, 567
Low earth orbiting, 348
Low-Entry Networking (LEN), 44, 382, 521
Low-level formatting, 178
Low power state, 234
Low speed sub-channel, 682
LSB (least significant bit/byte), 384, 386
LU 0 (logical unit type 0), 387
LU 1 (logical unit type 1), 387
LU 2 (logical unit type 2), 387
LU 3 (logical unit type 3), 387
LU 4 (logical unit type 4), 387
LU 6.1 (logical unit type 6.1), 387
LU 6.2 (logical unit type 6.2), 387-388
LU 7 (logical unit type 7), 388
LU (logical unit), 386, 388
Luminance (Y), Chrominance (UV) (YUV), 747
Luminosity, 146, 147
LZS (Lempel-Ziv-Stac), 388
LZW (Lempel-Ziv-Welch), 388-389

M

M-series, 698
M34, 698
MAC. See Media access control (MAC)
Mach, 391
Machines, 692
Macroblocks, 418
Magic cookie, 391
Magnetic fields, 229
Magnetic flux density, 641
Magnetic ink character recognition (MICR), 397-398
Magneto-optical technology, 129, 395
Mail-enabled, 393
Mail servers, 600
Mail Transfer Agents, 601
Mail User Agents, 601
Mailboxes, 396
mailto:, 680
Main distribution frame, 157
Mainframe, 391-392
Mainframe-centric, 602
Maintenance, 60
Maintenance fees, 469
Major trading areas, 489
The Major BBS, 85
MAN (metropolitan area network), 392, 598
Managed, 604
Managed bridges, 604
Managed repeaters, 604
Management information base (MIB), 396-397, 604
Management information files, 187
Management information format (MIF), 399
Management Information Systems, 662
Management plane reference architecture, 61
Management stations, 548, 603
Manchester, 639
Manufacturer identification number, 679
Manufacturing message specification (MMS), 404
Many-to-many, 342
MAPI (Messaging API), 393
Mark signals, 109
Marketecture, 393
Marketing, 393
Marking, 331, 469
Marks, 86, 154, 466, 665
Masked writes, 587
Masks, 405
Massachusetts Institute of Technology's Laboratory for Computer Science, 733
Massively parallel processing (MPP), 421
Matix Math Extensions (MMX), 405
Matrix Math Extensions, 405
Maximum burst size, 65
Maximum transmission unit, 375
MBnet, 104
MBone (Internet multicase backbone), 393-394
MCA (micro channel architecture), 394
MD (mini disc), 395
MD5 (message digest 5), 74, 394, 455
MDS (Multipoint Distribution Service), 395, 404
Mean time between failures (MTBF), 424-425
Mean Time To Repair, 424
Mechanical contrivances, 153
Media access control (MAC), 6, 23, 46, 390-391, 546, 552
Media Control Interface, 420
Media Interface Connector, 258
Medium Earth Orbit, 567
Memory bus, 475
Memory effect, 79, 81, 82
Mesh-connected, 553
MESI (modified, exclusive, shared, invalid), 423
Message authentication, 72, 74
Message digest, 502
Message digest 5 (MD5), 74, 394, 455
Message handling service (MHS), 396
Message Handling System (MHS), 396
Message length, 109
Message of the day (MOTD), 414
Message passing, 398
Message transfer agents (MTA), 424, 672, 737, 738
Message type, 398
Messaging, 396, 557
Messaging API (MAPI), 393
Metallic, 636
Metropolitan area Ethernet, 428
Metropolitan area exchange, 428
Metropolitan area network (MAN), 392, 598
Mezzanine, 480
MHS (message handling service), 396
MHS (Message Handling System), 396
MIB compilers, 604
MIB (management information base), 396-397, 604
MICR (magnetic ink character recognition), 397-398
Micro channel architecture (MCA), 394
Micro-segmentation, 537
Microcom Networking Protocol Class 10 enhanced cellular, 39
Microcom Networking Protocol (MNP), 406-408
MicroCross, 241
Microns, 269
Microsoft CD, 127
Microsoft Corporation, 398
Microwaves, 229
Middleware, 155, 168, 398
MIDI (musical instrument digital interface), 398-399, 602
MIF (management information format), 399
.mil, 190
Millions of instruction per second (MIPS), 402
Milnet, 399
MIME (multipurpose Internet mail extension), 399-402
MIME type, 400
Mini disc (MD), 395
MiniCard (Miniature Card), 274, 395-396
Minimum cell rate, 66
Minimum length trees, 455
MIPS (millions of instruction per second), 402
MIPS Technologies Inc., 402-403
Mirroring, 525
misc., 684
Mission-critical, 527
Mixed mode, 128
MLPPP (multilink point-to-point protocol), 403-404
MMDS (Multichannel Multipoint Distribution System), 404
MMS (manufacturing message specification), 404
MMX (Matix Math Extensions), 405
MNP (Microcom Networking Protocol), 406-408
Mobidem, 409
Mobile IP (Mobile Internet Protocol), 408
Mobile MIB, 397
Mobile Satellite (MSAT), 423-424
Mobitex, 408-409, 529
Mobitex Operators Association, 409
Modal dispersion, 269
Mode 1 (CD-ROM), 124, 130
Mode 1 (DXI), 208
Mode 1 Multiword DMA, 226, 245
Mode 2 (CD-ROM), 124, 130
Mode 2 (DXI), 207
Mode 2 Multiword DMA, 226
Mode 3 PIO, 226, 596
Mode 4 PIO, 226
Modems (modulator/demodulator), 409-411
Modified, 423
Modified frequency modulation, 573, 580
Modified Huffman Encoding, 251
Modified Julian date, 438
Modified Modified Read, 252
Modified Read, 251
Modulator/demodulator (modem), 409-411
Monitors, 411-412
Monochrome, 445
Monochrome display adapters, 670
Monospaced, 671
Moore's Law, 412-413
Moral rights, 154
Mosaic, 732
Most significant bit, 386
Most significant (MS), 423
MOTD (message of the day), 414
Motherboard speed, 475
Motif, 298, 414, 450, 735
Motion vectors, 419
Motorola, Inc., 414-415
Motorola Integrated Radio System, 237
Mouse, 415
Moves, adds, and changes, 713
Moving Picture Coding Experts Group (MPEG), 417-420
Moving worlds, 717
MP-MLQ (Multipulse Maximum Likelihood Quantization), 421
MP (multilink point-to-point protocol), 415
MPC (Multimedia PC), 415-417
MPEG-1, 417
MPEG-2, 417
MPEG-2 audio stream layer-3 compression, 415
MPEG (Moving Picture Coding Experts Group), 417-420
MPIM (Voice Profile for Internet Mail), 716
MPOA (multiprotocol over ATM), 421
MPP (massively parallel processing), 421
MPR II, 422
MPS (Multiprocessing Specification), 423
MPTN (Multi-Protocol Transport Network), 423
MS (most significant), 423
MSAT (Mobile Satellite), 423-424
MTA (message transfer agent), 424, 672, 737, 738
MTBF (mean time between failures), 424-425
Mu ([micro]), 594
[micro]-law, 483
Multi-Protocol Transport Network (MPTN), 423
Multi-transaction timer, 481
Multi-vendor integration protocol (MVIP), 427
Multicast, 46, 390, 425, 562, 637
Multicast IP (Internet protocol multicast), 425
Multicast Open Shortest Path First, 343
Multichannel Multipoint Distribution System (MMDS), 404
Multifrequency tones, 174
Multilayer switches, 556, 637
Multilevel Transmit, 5
Multilink point-to-point protocol (MLPPP/MP), 403-404, 415
Multimedia, 359, 425-426
Multimedia Extensions, 405
Multimedia PC (MPC), 415-417
Multimedia Video File, 205
Multimode fiber, 268
Multipath interference, 122, 623
Multiple Access, 20
Multiple Master, 28, 426, 632
Multiple read, 224
Multiple service interconnect, 266
Multiple spindles, 526
Multiple Sub-Nyquist Encoding, 307
Multiple Virtual Storage (MVS), 427
Multiple write, 224
Multiplexed, 479
Multiplexed Information and Computing System, 677
Multiplexer, 340
Multipoint control unit, 301
Multipoint Distribution Service (MDS), 395, 404
Multiport repeaters, 536, 637, 638
Multiprocessing, 599
Multiprocessing specification (MPS), 423
Multiprotocol brouter, 553
Multiprotocol Label Switching, 556
Multiprotocol over ATM (MPOA), 421
Multiprotocol routers, 550, 552
Multipulse Maximum Likelihood Quantization (MP-MLQ), 421
Multipurpose Internet mail extension (MIME), 399-402
Multirate ISDN, 340, 356
Multisession, 127, 129
Multistation access units, 150
Multithreading, 452, 729
Multiword DMA, 322
Mode 1, 226, 245
Mode 2, 226
Musical instrument digital interface (MIDI), 398-399, 602
Musicam, 164
MVIP (multi-vendor integration protocol), 427
MVS (Multiple Virtual Storage), 427
Mylar, 178
Mythical Instructions Per Second (MIPS), 402

N

Name caching, 108, 181
Name resolver, 192
NAP (network access point), 361, 428-429
Narrow SCSI, 572
Narrowband ISDN, 429
Narrowband PCS (narrowband personal communications service), 430
NAS (Network Application Support), 430
National destination codes, 208
National Institute of Standards and Technology Automated Computer Telephone Service (NIST ACTS), 438-439
National ISDN-1 (NI-1), 436-437
National ISDN-2 (NI-2), 437
National ISDN-3 (NI-3), 437
National Library Act, 154
National prefixes, 208
National Research and Education Network (NREN), 337, 441
National Science Foundation Network (NSFNet), 441
National Science Foundation (NSF), 441
National Security Agency, 172
National significance numbers, 208
National significant numbers, 208
National Television System Committee (NTSC), 443-445
National treatment, 335
Native, 542
Native Signal Processing (NSP), 441-442
Navstar (Navigation Satellite Timing and Ranging), 294, 430
nb*net, 104
NC (network computer), 141, 430-432
NCP (NetWare Core Protocol), 432
NCP (Network Control Program), 432
NDA (non-disclosure agreement), 432, 664
NDIS (Network Device Interface Specification), 432-433
NDS (NetWare Directory Services), 433, 435
Near end crosstalk (NEXT), 435-436
Negative logic, 466
Nematic phase, 379
.net, 190, 339
Net PC, 434
NetBEUI (NetBIOS Extended User Interface), 433
NetBIOS (Network Basic Input/Output System), 180, 434
NetBSD, 383
Netscape, 434
Netstat, 435
Netview/6000, 604
NetWare 4.x, 435
NetWare Core Protocol (NCP), 432
NetWare Directory Services (NDS), 433, 435
NetWare Link Services Protocol (NLSP), 439-440
NetWare Loadable Module (NLM), 439
NetWare system interface, 435
NetWare Telephony Services, 668
Network access point (NAP), 361, 428-429
Network Address Translation, 272, 540
Network Application Support (NAS), 430
Network Basic Input/Output System (NetBIOS), 180, 434
Network byte order, 88
Network computers (NC), 141, 430-432
Network Control Program (NCP), 432
Network Control Program Packet-Switching Interface (NPSI), 440
Network control protocol, 518
Network Device Interface Specification (NDIS), 432-433
Network File System (NFS), 436
Network General Sniffer, 603
Network Information Service (NIS), 438
Network interface card (NIC), 438
Network layers, 433
Network loading, 713
Network-Network Interface, 281
Network news transfer protocol (NNTP), 435, 684
Network nodes, 44, 263
Network Registration Service, 455
Network service access point, 62
Network termination type 1 (NT-1), 442
Network time protocol (NTP), 443
Network-to-network interface (NNI), 440
Networks, 55, 340
New, 467
New matter, 468
New technologies, 467
news., 684
Next Generation Internet, 338
NEXT (near end crosstalk), 435-436
NeXTStep, 436
NFG (no f______ good), 436
NFS (Network File System), 436
NI-1 (National ISDN-1), 436-437
NI-2 (National ISDN-2), 437
NI-3 (National ISDN-3), 437
NIC (network interface card), 438
NIS (Network Information Service), 438
NIST ACTS (National Institute of Standards and Technology Automated Computer Telephone Service), 438-439
NLM (NetWare Loadable Module), 439
NLnet, 104
NLSP (NetWare Link Services Protocol), 439-440
NNI (network-to-network interface), 440
nntp:, 680
NNTP (network news transfer protocol), 435, 684
No f______ good (NFG), 436
No increase, 68
Node Type, 521
Nodes, 11, 717
Non-bus master DMA, 184
Non-disclosure agreement (NDA), 432, 664
Non-graded index, 269
Non-ionizing radiation, 229
Non-linear signal distortion, 484
Non-proportionally spaced, 671
Non-real-time, 65
Non-Return to Zero, Inverted, 694
Non-routable, 552
non-volatile, 198
None, 466
Nonfacility Associated Signaling, 355
Noninterlaced, 336, 443
Nonloaded, 636
Nonrepudiation, 233
Nonsecret, 233
Nontransparent, 296
Normal curve, 594
Normal distribution, 594
North American Digital Cellular, 488, 654
North American Numbering Plan, 189
Novel, 467
Novell, 440
Novell Directory Services, 433, 435
NPSI (Network Control Program Packet-Switching Interface), 440
NREN (National Research and Education Network), 337, 441
NRZI, 639
NSF (National Science Foundation), 441
NSFnet (National Science Foundation Network), 441
NSP (Native Signal Processing), 441-442
NSTN, 104
NT-1 (network termination type 1), 442
NT File System, 248
NTP (network time protocol), 443
NTSC (National Television System Committee), 443-445
Number system character, 679
Numbering Plan for the ISDN, 209
Numbers, 626
Numbers-version, 625, 626
NWay, 3
Nways Multinetwork Controller, 263

O

Object-code portability, 510
Object Linking and Embedding (OLE), 448-449
Object Management Group, 156, 450
Object-oriented, 141, 646
Object request broker, 450
Objects, 315
OC-X (optical carrier), 446
Octave, 570
Octet, 446
Octo, 589
Octothorpe, 202
ODBC (Open Database Connectivity), 446-447
Odd parity bits, 579
ODI (Open Data-Link Interface), 447-448
Off, 219
Off-hook, 642
Off-hook delivery, 109
Off-line, 328
Office, 667
Offset, 90, 463
OLE (Object Linking and Embedding), 448-449
OLTP (on-line transaction processing), 449
On, 218, 669
On-hook, 642
On-hook delivery, 109
On-line, 328
On-line transaction processing (OLTP), 449
On-the-fly recording, 129
On the other hand (OTOH), 455
On-us, 397, 398
ONC (Open Networking Computing), 449
on.ca, 190
One-armed routers, 555
One-dimensional, 251
One-to-many, 342, 425
One-to-one, 342, 425
Ones density rule, 200
ONet (Ontario Network), 104
Op, 346
Open circuit, 217, 658
Open Data-Link Interface (ODI), 447-448
Open Database Connectivity (ODBC), 446-447
Open editing, 448
Open firmware, 137
Open Inventor, 717
OPEN LOOK, 298, 450
Open-loop, 67
Open Networking Computing (ONC), 449
Open numbering plans, 188
Open shortest path first (OSPF), 455
Open Software Foundation (OSF), 453
Open systems interconnection (OSI), 453-455
Open View Network Node Manager, 604
OpenDoc, 449, 450
Opens, 469
OpenVMS, 451, 715
Operating System/2 (OS/2), 452-453
Operating systems, 451-452
A/UX, 26
AIX (Advanced Interactive Executive), 34
HP-UX, 312
MVS (multiple Virtual Storage), 427
NeXTStep, 436
Open VMS, 451, 715
OS/2 (Operating System/2), 452-453
SunOS/Sun Operating System, 632
System 7, 640
UNIX (Uniplexed Information and Computing System), 634, 676-679
VM (Virtual Machine), 715
VMS (Virtual Memory System), 715
Operation and maintenance, 583
Operational issues, 281
Operational network, 112
Operations, 60
Operations, Administration and Maintenance (OAM), 60, 61
Optical carrier (OC-X), 446
Orange Book, 129
Order-wire, 608
Ordinary marks, 665
.org, 190, 339
Organisation Internationale de Normalisation (ISO), 357-358
.os, 684
OS/2 High Performance File System (HPFS), 248
OS/2 (Operating System/2), 452-453
OSF/1, 453
OSF (Open Software Foundation), 453
OSI (open systems interconnection), 453-455
OSInet, 455
OSPF (open shortest path first), 455
OTOH (on the other hand), 455
Out-of-band (outside of bandwidth), 456
Out-of-band SVD, 634
Outline, 456, 666
Outline fonts, 55, 91, 277, 456, 666
Output character, 89
Outroute, 717
Outside of bandwidth (out-of-band), 456
Overcharge voltage, 82
OverDrive, 457, 495
Overlapped I/O, 54
Overlays, 189
Oversubscribing, 280

P

P-cables, 579, 581
P (forward predicted), 419
P-rating system, 458
P6, 459
P7, 459
PA-RISC (Precision Architecture-RISC), 459
PABX (Private Automatic Branch Exchange), 459
PACE (Priority Access Control Enabled), 460
Packages, 110
Packet-based inverse multiplexing, 404
Packet burst mode, 432
Packet bursting, 290
Packet ensemble protocol (PEP), 499
Packet-filtering, 272
Packet internet groper (ping), 504-505
Packet switching, 337
Packet writing, 127, 130
Packets, 54, 460, 494, 737
Packets per second (PPS), 555
Packets/s, 555
Page description language, 482, 666
Paging, 121, 460
PAL (phase-alternation line), 461, 711
Pan-and-scan, 204, 445
PAP (password authentication protocol), 461
Paper, 461-464
Parallel bus, 98, 464, 572
Parallel detection, 4
Parallel port, 464-466
Parallel tasking, 506
Pardon me for jutting in (PMFJI), 507
Paris Convention for the Protection of Industrial Property, 335
Parity, 213, 466-467, 577
Parity disks, 526
Partitioned, 536
Partitioning, 178
Partitions, 245
Pass phrase, 501
Passive release, 481
Passive termination, 576
Password, 282, 461, 501
Password authentication protocol (PAP), 461
Patent agents, 331, 469
Patent and Trademark Office, 470
Patent application, 467
Patent Cooperation Treaty, 335, 467
Patent Pending, 469
Patented, 626
Patents, 139, 335, 467-470, 664, 665
Path terminating element, 610
Paths, 610, 611
Pathworks, 470
Payload type identifier, 60
PBX (private branch exchange), 175, 470-471
PC Cards, 479, 485
PC cards, 484
PC (personal computer), 471-478, 484
PC/XT, 351
PC95, 478-479
PCCA (Portable Computer and Communications Association), 479
PCI (Peripheral Component Interconnect), 479-482
PCL (Printer Command Language), 482-483
PCM (pulse code modulation), 284, 483-484
PCMCIA (Personal Computer Memory Card International Association), 484-486
PCS (personal communications service), 486-490
PCS (personal conferencing specification), 491
PCTS (public cordless telephone service), 491-493
PCWG (Personal Conferencing Work Group), 493
PD (phase-change, dual-technology), 493
PDA (personal digital assistant), 494
PDU (protocol data unit), 28, 58, 404, 494, 538
Peak cell rate, 57, 64
Pedestals, 115, 157
Peer, 479
Peer groups, 507
Peer-to-peer, 602
PEInet, 104
Pel (picture element), 336, 494, 506
Pentium, 494-496
Pentium-II, 496-497
Pentium Pro, 497-498
PEP (packet ensemble protocol), 499
Performance Optimized With Enhanced RISC, 542
Performance rating, 458
Perihelion, 380
Peripheral Component Interconnect (PCI), 479-482
Perl (Practical Extraction and Report Language), 499
Permanent virtual circuit, 720
Persistence, 530
Persistent connections, 316
Personal agent, 487
Personal air communications technology, 430
Personal Communications Network, 297
Personal communications service (PCS), 486-490
Personal Computer Memory Card International Association (PCMCIA), 484-486
Personal computers (PC), 471-478, 484
Personal conferencing specification (PCS), 491
Personal Conferencing Work Group (PCWG), 493
Personal digital assistant (PDA), 494
PGP (pretty good privacy), 500-503
PGP signature, 502
Phase-alternation line (PAL), 461, 711
Phase angle magnitude, 146
Phase-change, 205
Phase-change, dual-technology (PD), 493
Phase Shift Keying, 83
PHIGS (programmers' hierarchical graphics standard), 500
Phone phreaks, 329
Physical Architecture Layer, 34
Physical embodiment, 467
Physical formatting, 178
Physical image files, 129
Physical Unit (PU), 521
Physical Unit Type 2 (PU 2), 521
Physical Unit Type 2.1 (PU 2.1), 521
Physical Unit Type 3 (PU 3), 521
Physical Unit Type 4 (PU 4), 521-522
Physical Unit Type 5 (PU 5), 522
Pica, 509
Pico-cells, 492
Picture carriers, 147, 148
Picture element (pel/pixel), 336, 494, 506
Piggyback updates, 618
Pilot channels, 121
PIM (Protocol-Independent Multicast), 343, 504
Pin grid array, 243, 498
Pin-out, 219
Ping of death, 505
Ping (packet internet groper), 504-505
Ping-ponging, 95, 492
Pink, 505, 646
PIO. See Programmed Input/Output (PIO)
Pipelines, 632, 633
Pipelining, 316
Pits, 124, 125
Pixel (picture element), 336, 379, 494, 506
Plain old telephone service (POTS), 512-514
Plaintext, 233, 502
Planar transistor, 412
Plastic land-grid array, 497
Plated through hole, 591
Plesiochronous digital hierarchy, 209
Plesiosynchronous, 609, 652
Plug and Play (PNP), 54, 241, 481, 485, 507-508, 570, 578, 707, 714, 724
Plug and tell, 508
Plugs, 150, 167
PMFJI (pardon me for jutting in), 507
PNG (portable network graphic), 288, 506
PNNI (Private Network Node Interface), 507
PNP. See Plug and Play (PNP)
Pods, 548
Point contact, 412
Point of presence (POP), 364, 509
Point-to-multipoint, 718
Point-to-point, 342
Point-to-point protocol over SONet (POS), 510
Point-to-point protocol (PPP), 517-518
Point to Point Tunneling Protocol (PPTP), 519
Points, 91, 509
Polar, 379
Policies, 156
Policy-based routing, 88
Policy control, 560
Polling, 584, 618
Polyphony, 509
Polysilicon, 380
POP (point of presence), 364, 509
POP (post office protocol), 509-510
Port numbers, 607, 649, 680
Portability, 510
Portable Computer and Communications Association (PCCA), 479
Portable document files, 28
Portable network graphic (PNG), 288, 506
Portable Operating System Interface (UNIX-like) Open Systems Environment (POSIX OSE), 510-511
Ports, 632
POS (point-to-point protocol over SONet), 510
POSIX OSE (Portable Operating System Interface (UNIX-like) Open Systems Environment), 510-511
Post office protocol (POP), 509-510
Post offices, 601
Posted write-through (write-back) caches, 107
PostScript, 235, 666
PostScript Page Description Language, 235, 482, 511-512
PostScript Type 1 Fonts, 277, 512
PostScript Type 3 fonts, 512
POTS (plain old telephone service), 512-514
Power Line Carrier, 736
Power management, 23
Power save mode, 234
PowerOpen, 514
PowerPC, 514-516
PowerPC Reference Platform (PREP), 519
PPM (pulse position modulation), 22, 516-517
PPP (point-to-point protocol), 517-518
PPS (packets per second), 555
PPTP (Point to Point Tunneling Protocol), 519
PR rating specification, 458
Practical Extraction and Report Language (Perl), 499
Pre-gap, 128
Precedence bits, 156
Precision Architecture-RISC (PA-RISC), 459
Precision code (P-code), 293
Precoding, 696
Predictive dialing, 162
Predictive service, 726
Preemphasis, 696
Preemptive multitasking, 452, 725, 729
Preferred, 545
Preferred servers, 562
Prefixes, 589
PREP (PowerPC Reference Platform), 519
Presence detect, 592
Pretty Amazing New Stuff, 514
Pretty good privacy (PGP), 500-503
PRI (Primary Rate ISDN), 355, 519-520
Primary caches, 108
Primary IDE, 226
Primary master, 191
Primary partitions, 179
Primary rate ISDN (PRI), 355, 519-520
Prime meridian, 291
Principle, 70
Printable, 47
Printed Circuit, 484
Printed circuit boards, 410, 476, 659, 748
Printer Command Language (PCL), 482-483
Prior art, 330-331, 469
Prioritization, 520-521
Priority Access Control Enabled (PACE), 460
Priority period, 469
Priority Queuing, 521
Private Automatic Branch Exchange (PABX), 459
Private branch exchange (PBX), 175, 470-471
Private key, 233, 500, 558
Private Line, 721
Private mail domain, 738
Private Network Node Interface (PNNI), 507
Private peering point, 429
Probes, 548
Procedures, 42
Process, 729
Processing gain, 624
Production-quality, 710
Profiles, 266
Programmed Input/Output (PIO), 225, 476, 505-506, 714
blind, 226
Mode 3, 226, 596
Mode 4, 226
Programmers' hierarchical graphics standard (PHIGS), 500
Progressive display, 288
Progressive JPEG, 367
Progressively scanned, 336, 443
Proportional, 671
Proposed use, 665
Protection switching, 610
Protective ground, 223
Protocol converters, 602
Protocol data units (PDU), 28, 58, 404, 494, 538
Protocol-Independent Multicast (PIM), 343, 504
Protocol Priority, 521
Protocol specific annex, 728
Protocols
ACAP (application configuration access protocol), 26, 328
AFP (AppleTalk Filing Protocol), 32
application, 27
APPN (Advanced Peer-to-Peer Networking), 44-45
ARP (address resolution protocol), 46-47, 108, 538
AURP (Apple Update-Based Routing Protocol), 72
Bandwidth Allocation Control Protocol, 403
base, 27
BGP (border gateway protocol), 88
BOOTP (bootstrap protocol), 93
CCP (compression control protocol), 119, 518
CHAP (challenge handshake authentication protocol), 135-136
CLNP (connectionless network protocol), 141
CMIP (common management information protocol), 141
CONP (connection-oriented network protocol), 151
DECnet Phase IV, 172
DHCP (dynamic host configuration protocol), 174
Directory Access Protocol, 740
Directory Information Shadowing Protocol, 740
Directory Service Protocol, 740
Distance Vector Multicast Routing Protocol, 343
DLC (data link control layer protocol), 179-180
exterior gateway, 88
external gateway, 317
FTP (file transfer protocol), 282
HDLC (high-level data link control), 302, 584
HTTP (hypertext transfer protocol), 315-316, 732
IGP (interior gateway protocol), 325
IGRP (Interior Gateway Routing Protocol), 326
Intelligent Peripheral Interface, 308
Interim Inter-switch Signalling Protocol, 507
Internet group management protocol, 342
IP (Internet protocol), 334, 340
IPv6 (Internet protocol version 6), 344-345
IPX (Internet packet exchange), 345-346
IS-IS (intermediate system to intermediate system), 351
L2TP (layer 2 tunnelling protocol), 374
LAPM (link access procedure for modems), 376
LAST (local area systems technology), 376
LAT (local area transport), 377
LDAP (lightweight directory access protocol), 380
link control protocol, 518
logical link control, 179, 384
MLPPP/MP (multilink point-to-point protocol), 403-404, 415
MNP (Microcom Networking Protocol), 406-408
Mobile IP (Mobile Internet Protocol), 408
network control protocol, 518
NNTP (network news transfer protocol), 435, 684
NSLP (NetWare Link Services Protocol), 439-440
NTP (network time protocol), 443
ONC (Open Networking Computing), 449
OSPF (open shortest path first), 455
PAP (password authentication protocol), 461
PEP (packet ensemble protocol), 499
PIM (Protocol-Independent Multicast), 343, 504
POP (post office protocol), 509-510
POS (point-to-point protocol over SONet), 510
PPP (point-to-point protocol), 517-518
PPTP (Point to Point Tunneling Protocol), 519
Real-Time Control Protocol, 561
RIP (routing information protocol), 541
RSVP (resource reservation protocol), 559-560
RTMP (Routing Table Maintenance Protocol), 560
RTP (real-time transport protocol), 561
SAP (Service Advertising Protocol), 562
SDLC (Synchronous Data Link Control), 179, 183, 302, 584
Simple Network Time Protocol, 443
SLIP (serial line Internet protocol), 595-596
SMP (Simple Management Protocol), 599, 605
SMRP (Simple Multicast Routing Protocol), 343, 600
SNMP (Simple Network Management Protocol), 187, 603-605
SNMP v2 (simple network management protocol version 2), 605-606
Stream Protocols, 345
Supervisory Protocol, 634
TCP/IP (transmission control protocol/Internet protocol), 651-652
TCP (Transmission Control Protocol), 649-651
TFTP (trivial file transfer protocol), 656
UDP (user datagram protocol), 673
X-wire protocol, 735
Proxy, 273
Proxy agents, 604
Proxy servers, 607
Prune, 504
Pseudo-noise, 121
Pseudo-random, 87
PU 2 (Physical Unit Type 2), 521
PU 2.1 (Physical Unit Type 2.1), 521
PU 3 (Physical Unit Type 3), 521
PU 4 (Physical Unit Type 4), 521-522
PU 5 (Physical Unit Type 5), 522
PU (Physical Unit), 521
Public cordless telephone service (PCTS), 491-493
Public key encryption, 233, 254, 366, 500, 558, 622
Public keyservers, 501
Public switched telephone network, 355, 514
Public Utilities Commission (PUC), 160, 522
Publication, 587
Publicizing, 469
Published, 640
Publishers International Directory, 353
PUC (Public Utilities Commission), 160, 522
Pull down, 711
Pulse code modulation (PCM), 284, 483-484
Pulse position modulation (PPM), 22, 516-517
Push client, 522
Push technology, 522

Q

QLLC (Qualified Logical Link Control), 523
QOS (quality of service). See Quality of service (QOS)
QTC (QuickTime Conference), 523
Quadlets, 12
Quadrature Amplitude Modulation, 694
Qualified Logical Link Control (QLLC), 523
Quality factor, 367
Quality of service (QOS), 64, 207, 300, 425, 523, 559, 726
specified, 69
unspecified, 69
Quantization, 697
Quantization error, 483
Quantization noise, 483
Quarter CIF, 299
Quartet signaling, 7
Quaternary, 303
Queued, 618
QuickTime Conference (QTC), 523
Quoting, 273
QWERTY, 524

R

R interface, 704
Radiated EMI, 256
Radio Broadcast Data System (RBDS), 530
Radio data system (RDS), 533-534
Radio Detecting and Ranging, 505
Radio frequency, 24
Radio text, 533
RADIUS (Remote Authentication Dial-In User Service), 525
RAID (redundant array of inexpensive disks), 525-528
RAM Mobile Data, 529
RAM (random access memory), 205, 528, 588
Rambus DRAM (RDRAM), 532-533
RAMDAC (random access memory digital-to-analog converter), 529
Random access memory (RAM), 205, 528, 588
Random seeks, 124
RAS (remote access server), 529-530, 535
Raster fonts, 91, 277
Raster image, 670
Raster scans, 336
Rasterize, 55, 456, 530, 666
Rate adaption, 704
Rate Adaptive Digital Subscriber Line, 31
Rate centers, 169
Rate decrease field, 68
Rate increase factor, 68
Rate set 2, 121
Ratio, 379
Rayleigh fading, 261
RBDS (Radio Broadcast Data System), 530
RBHC (Regional Bell Holding Company), 531, 532
RBOC (Regional Bell Operating Company), 530-532
RDRAM (Rambus DRAM), 532-533
RDS (radio data system), 533-534
Re-timed, 536
Read the f______ manual (RTFM), 560
Reader, 28
Ready for receiving, 222
Real soon now (RSN), 559
Real-time, 65, 67, 253
Real-Time Clock, 477
Real-Time Control Protocol, 561
Real-time transport protocol (RTP), 561
Realms, 369
Reams, 463, 534
rec., 684
Recconnect, 579
Receiver not ready, 180, 276
Receiver Ready, 276
Rechargeable alkaline manganese, 81
Recommendation, 363
Recommended standards, 216, 221
Reconditioning, 83
Recordable, 129, 205
Red, green, blue (RGB), 540
Red Book, 127
Red box, 329
Reduced Instruction-Set Computer (RISC), 542-543
Redundant array of inexpensive disks (RAID), 525-528
Reentrant, 599
Reflections, 545
Reflective, 146, 379
ReFLEX, 430
Refresh rate, 706
Refreshed, 198
Regenerate, 536
Regeneration section, 61
Regenerator, 610
Regional Bell Holding Companies (RBHC), 531, 532
Regional Bell Operating Companies (RBOC), 530-532
Register renaming, 496
Registered, 650
Registered industrial designs, 330
Registered Jack 45 (RJ-45), 543-545
Registered trademarks, 665
Registers, 54
Registration, 192, 330, 332, 664, 665
Relative names, 190
Relative rate marking, 68
Release 1.0, 484
Release 2.0, 485
Release 2.1, 485
Reliable stream service, 649
Remote access servers (RAS), 529-530, 535
Remote Authentication Dial-In User Service (RADIUS), 525
Remote bridges, 534, 552
Remote control, 535
Remote digital loopback, 222, 703
Remote file sharing (RFS), 540
Remote Imaging Protocol Script Language (RIPscrip), 541
Remote Job Entry (RJE), 545-546
Remote loopback, 222, 702
Remote network monitoring MIB, version 2 (RMON 2/RMON V2/RMON II), 548-549
Remote network monitoring MIB (RMON), 546-548
Remote node, 529, 535
Remote procedure calls (RPC), 168, 398, 556-557
Remote Source Route Bridging, 183
Remote Terminal, 220
REN (ringer equivalency number), 535-536
Rendezvous point, 504
Repeat, 638
Repeaters, 536-537
Replication, 739
Request, 273
Request for Comments (RFC), 537-538
Request for discussion, 684
Request to send, 222
Request to Send/Clear to Send, 456
Reselling, 364
Reservation, 174
Reserved ports, 650
Resistor networks, 576
Resistors, 575
Resource arbitrators, 508
Resource management, 60, 68
Resource reservation protocol (RSVP), 559-560
Response, 273
Retrain/Entrain, 696
Reverse channels, 115
Reverse-engineering, 332, 664
Reverse-path forwarding, 504
RFC 1577 (classical IP over ATM), 538-539
RFC (Request for Comments), 537-538
RFS (remote file sharing), 540
RGB (red, green, blue), 540
Right of integrity, 154
Ring-in-a-box, 259
Ringer equivalency number (REN), 535-536
Ringing indicator, 222
Rings, 513, 661
RIP (routing information protocol), 541
RIPscrip (Remote Imaging Protocol Script Language), 541
RISC (Reduced Instruction-Set Computer), 542-543
RISQ, 104
Rivest, Shamir, Adleman Public Key Encryption (RSA), 558-559
RJ-45 (Registered Jack 45), 543-545
RJE (Remote Job Entry), 545-546
RLE. See Run length encoding (RLE)
Rlogin, 546
RMON 2 (remote network monitoring MIB, version 2), 548-549
RMON II (remote network monitoring MIB, version 2), 548-549
RMON (remote network monitoring MIB), 546-548
RMON V2 (remote network monitoring MIB, version 2), 548-549
Roaming, 23, 39, 296
Robbed-bit signalling, 133, 642
Rochester, 723
Rockwell International, 550
Rockwell Protocol Interface (RPI), 557-558
Rods, 144
ROFL (rolling on the floor, laughing), 550
Roll back, 619
Rolling on the floor, laughing (ROFL), 550
Root, 11, 455, 550
Root hubs, 6, 681
Root mean square, 293
Root storage, 448
Rotary, 175
Rotational latency, 124
Round robin, 653
Route caches, 108, 555
Route discovery frames, 555
Route Information Field, 182
Route server, 421
Routers, 337, 550-556
Routing, 180
Routing algorithm, 383
Routing and Remote Access Service, 552
Routing codes, 188
Routing information protocol, 541
Routing switches, 556
Routing Table Maintenance Protocol (RTMP), 560
Rows, 619
RPC (remote procedure call), 168, 398, 556-557
RPI (Rockwell Protocol Interface), 557-558
RSA (Rivest, Shamir, Adleman Public Key Encryption), 558-559
RSN (real soon now), 559
RSVP (resource reservation protocol), 559-560
RTFM (read the f______ manual), 560
RTMP (Routing Table Maintenance Protocol), 560
RTP (real-time transport protocol), 561
Rubber bandwidth, 403
Run length encoding (RLE), 25, 213, 251, 388, 546, 750
Run Length Limited (RLL), 573
Runts, 239, 638

S

S/390 server, 392
S bus, 94, 442
S-HTTP (secure hypertext transfer protocol), 588
S-Video, 445
SAA (systems application architecture), 562
Samples, 50
Sans-serif, 671
Santa Cruz Operations, Inc. (SCO), 571-572
SAP information broadcasts, 562
SAP (Service Advertising Protocol), 562
SAP service query, 562
SAP service response, 562
SASK#net, 104
Satellites, 562-569
Saturating arithmetic, 405
Saturation, 146, 148
SBD (Smart Battery Data), 569
SBus, 442
SCADA (supervisory control and data acquisition), 569
Scalable, 56, 425, 507, 666
Scalable architecture, 569
Scalable coherent interface (SCI), 571
Scalable fonts, 277, 456, 569, 666
Scalable Processor Architecture (SPARC), 612
Scales, 570
SCAM (SCSI configured auto-magically/configuration automatically), 570
Scan Acquire, 670
Scatter/gather, 184
Scatter/gather DMA, 480
SCC (Standards Council of Canada), 571
sci., 684
SCI (scalable coherent interface), 571
SCO (Santa Cruz Operations, Inc.), 571-572
Screen pops, 162, 572
Screen saver, 522
Screened twisted pair (SCTP), 582
Scripts, 314, 648
SCSI-1 (small computer system interface-1), 578
SCSI-2 (small computer system interface-2), 578-581
SCSI-3 (small computer system interface-3), 581-582
SCSI configured auto-magically/configuration automatically (SCAM), 570
SCSI (small computer system interface), 572-578
SCTP (screened twisted pair), 582
SD (Super Density), 583
SDH (synchronous digital hierarchy), 583
SDK (software development kit), 584
SDLC (Synchronous Data Link Control), 179, 183, 302, 584
SDLC-to-LLC2 conversion, 183
SDRAM (synchronous dynamic random access memory), 584
SDTV, 584-585
Sealing current, 585
SECAM (séquentiel couleur avec mémoire), 585
Second-level, 6
Secondary caches, 108
Secondary master, 191
Secret key, 233, 500, 558
Sections, 611
Sector size, 743
Sectorizing, 37
Sectors, 124, 179, 245, 363, 527
Secure data exchange, 22
Secure electronic transactions (SET), 586
Secure European System for Applications in a Multivendor Environment (SESAME), 586
Secure hypertext transfer protocol (S-HTTP), 588
Secure SNMP, 604
Secure Sockets Layer (SSL), 622
Security, 713
Security access modules, 596
Security association ID, 345
Seek time, 124
Seeking, 54, 225
Segment, 90, 537, 737
Segmentation and reassembly, 28, 57, 60, 207
Segmented look-ahead, 107
Segmented streaming, 749
Segmented virtual source/virtual destination, 68
Selective Availability, 293
Selector, 62
Selector channels, 318, 572
Self-declare, 228
Self-monitoring, analysis and reporting technology (SMART), 596
Self-powered, 681
SEND/RECEIVE, 329
Sendmail, 650
Septem, 589
Sequenced Packet Exchange (SPX), 619
Sequencers, 398
Sequences, 701
Séquentiel couleur avec mémoire (SECAM), 585
Serial bus, 98, 464, 585-586, 681
Serial data communications, 466
Serial Infrared, 348
Serial line Internet protocol (SLIP), 595-596
Serial storage architecture (SSA), 581, 621-622
Serialization packets, 618
Series, 77
Series A, 682
Series B, 682
Serif, 671
Server-centric, 365, 735
Server farm, 733
Server Message Block (SMB), 597
Servers, 140, 392, 731
Service Advertising Protocol (SAP), 562
Service categories, 64
Service class, 252
Service Class 1 Asynchronous Facsimile DCE, 252
Service Class A, 69
Service Class B, 69
Service Class C, 69
Service Class D, 69
Service contracts, 63
Service data units, 28, 59, 60
Service profile identifier (SPID), 617
Service provider interfaces, 393, 728
Service providers, 647, 718, 728
Service-specific convergence sublayer, 61
Service type, 156
Service types, 636
Services, 270
SESAME (Secure European System for Applications in a Multivendor Environment), 586
Session key, 501
SET (secure electronic transactions), 586
SGML (standard generalized markup language), 586-587
SGRAM (synchronous graphics RAM), 587
Shadow masks, 159
Shadowed BIOS, 588
Shared, 55, 264, 423
Shared disk, 599
Shared folders, 640
Shared media, 637
Shared memory, 476, 505, 588, 599
Shared nothing, 600
Shield, 223
Shielded Twisted Pair (STP), 629-630
Shielding, 686
Shift In, 84
Shift Out, 84
Shims, 139
Short-haul lines, 642
Short message service, 296, 654
Shortest path first (SPF), 617
Shrink-wrapped, 120
Shugart Associates Systems Interface, 572
SI (Le Système International d'Unités/The International System of Units), 589-591
Side band signalling, 33
Sideband addressing, 33
Sidereal year, 380
Sidetone, 513, 683
Sigma (Σ), 594
Signal Computing System Architecture, 214
Signal ground, 658
Signal skew, 98
Signaling, 328
Signed integer, 660
Silence suppression, 65
SIMM (single in-line memory module), 591-592
Simple, 604
Simple Key Management for Internet Protocols, 716
Simple mail transfer protocol (SMTP), 600-602
Simple management protocol (SMP), 599, 605
Simple MAPI, 393
Simple Multicast Routing Protocol (SMRP), 343, 600
Simple Network Management Protocol (SNMP), 187, 603-605
Simple Network Management Protocol Version 2 (SNMP v2), 605-606
Simple network paging protocol (SNPP), 606
Simple Network Time Protocol, 443
Simplex, 280, 593, 692
Simultaneous peripheral operation on line (spool), 618
Simultaneous voice and data (SVD), 633-634
Single Attachment Stations, 259
Single data message format, 109
Single-ended, 217, 576, 669
Single in-line memory module (SIMM), 591-592
Single In-line Package, 576
Single instruction, multiple data, 405
Single-key, 172, 324, 500
Single large expensive disk (SLED), 595
Single-line SVD, 633
Single mode, 269
Single-session, 129
Single word, 322
SIT (special information tone), 593
Situation normal: all f_____ up (SNAFU), 603
Six-σ quality (six sigma quality), 593-595
Skew, 5
Skipjack, 233
SLED (single large expensive disk), 595
Sleeves, 661
Sliding windows, 749
SLIP (serial line Internet protocol), 595-596
Slot 1, 497, 498
Slot time, 290
Slotted shadow masks, 159
Small computer system interface-1 (SCSI-1), 578
Small computer system interface-2 (SCSI-2), 578-581
Small computer system interface-3 (SCSI-3), 581-582
Small computer system interface (SCSI), 572-578
Small Form Factor Committee, 226, 245, 321, 596
Small image format, 417
Small office and home office (SOHO), 607
Small PCI (SPCI), 612
Smart Battery Data (SBD), 569
Smart Cards, 296, 596
SMART (self-monitoring, analysis and reporting technology), 596
SMB (Server Message Block), 597
SMBus (system management bus), 597
SMDS (switched multimegabit data service), 597-598
SMP (simple management protocol), 599, 605
SMP (symmetric multiprocessing), 599-600
SMPTE (Society of Motion Picture and Television Engineers), 602
SMR (specialized mobile radio), 600
SMRP (Simple Multicast Routing Protocol), 343, 600
SMTP (simple mail transfer protocol), 600-602
SNA character strings, 387
SNA intermediate network node, 522
SNA network interface (SNI), 603
SNA (Systems Network Architecture), 602-603
SNAFU (situation normal: all f_____ up), 603
SNAP (subnetwork access protocol), 603
SNI (SNA network interface), 603
SNMP (Simple Network Management Protocol), 187, 603-605
SNMP v2 (Simple Network Management Protocol Version 2), 605-606
SNPP (simple network paging protocol), 606
soc., 684
Social engineering, 274
Society of Motion Picture and Television Engineers (SMPTE), 602
Socket (2), 677
Socket 7, 495, 496, 498
Socket 8, 498
Socket interface, 725
Socket numbers, 539, 607
Socket services, 485
Sockets, 167, 606
Socks, 273, 607
Soft handoff, 122
Software bugs, 98
Software development kit (SDK), 584
Software emulation, 516
Software interrupts, 41
Software Publishers Association, 415
Software routers, 551
Software Striping, 525
SOHO (small office and home office), 607
Solaris, 607-608
Somerset, 44, 608
SONet (Synchronous Optical Network), 608-611
Sound Navigation and Ranging, 505
Source-code portability, 510
Source codes, 613, 744
Source route bridging (SRB), 180, 231, 554, 620
Source route discovery, 180
Source routing, 507
Space condition, 658
Space Travel, 676
Spaces, 86, 466
Span power, 643
Spanning, 525
Spanning tree algorithm, 553
Spans, 609
SPARC (Scalable Processor Architecture), 612
Spawn, 729
SPCI (Small PCI), 612
SPEC (Standard Performance Evaluation Corporation), 613-616
SPECfp89, 613
Special information tone (SIT), 593
Specialized mobile radio (SMR), 600
Specification, 468
Specified QOS, 69
SPECint89, 613
SPECratio, 613
Spectrum analyzer, 256
Speculative writes, 496
Speed, 578, 591
Speedo, 617
SPF (shortest path first), 617
Spherical Error Probable, 293
SPID (service profile identifier), 617
Spindle Synchronization, 526
Split bridges, 534, 554, 602
Spontaneous call waiting with caller ID, 109
Spoofing, 181, 403, 618
Spool (simultaneous peripheral operation on line), 618
Spread spectrum transmission (SST), 120, 623-624
Spreading code, 121, 624
Spurious, 744, 748
SPX (Sequenced Packet Exchange), 619
SQL Access Group, 447
SQL (Structured Query Language), 619-620
SQL2 (Structured Query Language 2), 620
SRAM (static random access memory), 197, 620
SRB. See Source route bridging (SRB)
SSA (serial storage architecture), 581, 621-622
SSL (Secure Sockets Layer), 622
SST (spread spectrum transmission), 120, 623-624
Stabilizer wires, 159
Stac, Inc., 624-625
Stack, 651
Stand-by mode, 234
Standard, 252
Standard-date, 625
Standard deviation, 594
Standard generalized markup language (SGML), 586-587
Standard Information Tones, 593
Standard message format, 396
Standard NTSC, 204
Standard Performance Evaluation Corporation (SPEC), 613-616
Standard Positioning Service, 293
Standard wireless AT command set (SWATS), 635
A Standard for the Transmission of IP, 537
Standards, 625-627
Standards approval, 363
Standards Council of Canada (SCC), 571
Standards providers, 41
Start bit, 50
Start/stop data communications, 51
State information, 135
Stateful inspection, 273
Static, 134, 620
Static IP, 174
Static random access memory (SRAM), 197, 620
Station loop signalling, 201
Station Management Layer, 260
Statistical duplexing, 407
Stentor Canadian Network Management, 628
Stentor Resource Centre, Inc., 628
Stentor Telecom Policy, Inc., 628
Stereo pilot, 533
Still image, 644
STM (synchronous transport module), 629, 652
Storages, 448
.store, 191
Store and forward, 638
STP (Shielded Twisted Pair), 629-630
Straight-through, 544
Straight tip, 150
Stream Protocols, 345
Stream service, 649
Streaming, 673, 749
Streaming mode, 101
Streaming real-time data transfers, 683
Streams, 448
Strings, 701
Stripe pitch, 159
Striped, 526
Structure of Management Information, 604
Structured data transfer, 133
Structured DS, 133
Structured Query Language 2 (SQL2), 620
Structured Query Language (SQL), 619-620
Structured storage, 448
Structured wiring system, 629
STS (synchronous transport signal), 630
Studio-quality, 710
Study groups, 363
Style guides, 735
Style Sheet, 586
Style specifications, 586
Su, 630
Sub-band ADPCM, 285
Sub-carrier, 461
Subarea SNA, 602
Subminiature D-shell, 9
Subnet Bit Mask, 630-631
Subnets, 630
Subnetwork access protocol (SNAP), 603
Subpackages, 110
Subrate, 631
Subroutines, 41
Subscribe, 342
Subscriber, 667
Subscriber connectors, 150
Subscriber identity modules, 296, 596
Subscriber Information Module, 488
Subscriber numbers, 208
Subscription time, 279, 720
Subsets, 728
Subsystem IDs, 481
Subtractive primary colors, 146
Subtype, 400
Suite, 651
Summarization, 138
Summit UNIX, 685
Sun, 631-632
SunConnect, 632
Sunnet Manager, 604
SunOS (Sun Operating System), 632
Super Density (SD), 583
Super-pipelined, 497
Super twisted nematic, 380
SUPERATM (Super Adobe Type Manager), 632
Superframe, 237, 642
Supernet/NII, 357
Superscalar, 319, 494, 632-633
Superuser, 550
Supervisory control and data acquisition (SCADA), 569
Supervisory Protocol, 634
Surround sound, 164
Suspend mode, 234
Sustainable cell rate, 65
SVD (simultaneous voice and data), 633-634
SVID (system five interface definition), 634
SVR4 (UNIX System Five Release 4), 634-635
SVVS (system five verification suite), 635
SWATS (standard wireless AT command set), 635
Swedish Confederation of Professional Employees (TCO), 648
Switched, 55, 264
Switched 56, 635-637
Switched LAN, 637-639
Switched multimegabit data service (SMDS), 597-598
Switched SVD, 634
Switched virtual calls, 279, 720
Switched virtual circuits, 279, 720
Switching fabric, 56
Switchless configuration, 227
SX, 17
Symbols, 259, 696
Symmetric, 172, 233
Symmetric multiprocessing (SMP), 599-600
Sync, 673
Sync channels, 121
Synchronizing, 147
Synchronous, 48, 86, 90, 219, 252, 410, 557, 575, 700, 725
Synchronous bandwidth allocation, 261
Synchronous data communications, 48, 51, 231, 672, 693
Synchronous Data Link Control (SDLC), 179, 183, 302, 584
Synchronous data transmission, 639
Synchronous digital hierarchy (SDH), 583
Synchronous dynamic random access memory (SDRAM), 584
Synchronous function calls, 640
Synchronous graphics RAM (SGRAM), 587
Synchronous mode, 133
Synchronous Optical Network (SONet), 608-611
Synchronous payload envelope, 609
Synchronous residual time stamp, 133
Synchronous SRAM, 620
Synchronous transfer mode, 641
Synchronous transport mode, 652
Synchronous transport module (STM), 629, 652
Synchronous transport signal (STS), 630
Synthesis, 399
Synthesizers, 398
System 7, 640
System/390 mainframe, 392
System/390 Parallel Enterprise Server, 392
System bus, 475
System five interface definition (SVID), 634
System five verification suite (SVVS), 635
System management bus (SMBus), 597
System Object Model, 449, 450
Systems application architecture (SAA), 562
Systems Network Architecture (SNA), 602-603
Systemview, 604

T

T-carrier, 644
T connections, 642
T-Screen, 643
T (Tesla), 641
T1 (Digital Transmission Rate 1), 641-644
T1 repeaters, 642
T1C, 644
T2 (Digital Transmission Rate 2), 645
T3 (Digital Transmission Rate 3), 645
T4, 645
T.120, 644
TA (ISDN terminal adapter), 95, 645-646
Tables, 619
Tabloid, 462
Tag-edge routers, 556
Tag SRAM, 620
Tag switches, 556
Tag Switching, 556
Tagged cells, 60
Tagged image file format (TIFF), 660
Tags, 586
Taligent, 44, 646
Talisman, 646
talk., 684
Talk AnyTime, 634
Talkers, 12
Tape carrier package, 243
TAPI (Telephony Application Programming Interface), 646-647
Target systems, 510
Target Token Rotation Time, 259
Targets, 574
TAXI (transparent asynchronous transmitter/receiver interface), 647
Tcl/Tk (tool command language/tool kit), 647-648
TCO (Swedish Confederation of Professional Employees), 648
TCP/IP (transmission control protocol/Internet protocol), 651-652
TCP (Transmission Control Protocol), 649-651
TDM (time division multiplexing), 641, 652-653
TDMA (time division multiple access), 492, 653-654, 718
Tear-down, 559
Technical service bulletin (TSB), 669
Techniques, 467
Teflon, 262, 654
Telco return, 116
Telecine, 711
Telecommunications Act of 1996, 532
Telecommunications Industry Association (TIA), 657
Teleglobe Inc., 654
Telephone companies, 655
Telephone networking, 656
Telephony Application Programming Interface (TAPI), 646-647
Telephony Services Application Programming Interface (TSAPI), 668
Telesat Canada Corporation, 655
Teletype, 48
Television data service, 706
Telnet, 655-656
Telnet 3270 (TN3270), 662
Temps universel coordonné, 686
Teradata, 656
Terisa Systems, Inc., 656
Terminal, 61
Terminal adapters, 95, 96, 442, 704, 722
Terminal emulation, 562, 655, 662
Terminal Multiplexer, 610
Terminal servers, 377
Terminating, 175, 182, 575
Termination power, 576
Terminus, 201
Tesla (T), 641
Test modes, 222
TFT (thin-film transistor liquid crystal display), 656
TFTP (trivial file transfer protocol), 656
Thanks in advance (TIA), 657
Theft of telecommunications services, 329
Theorical, 352
Thévenin equivalent, 576
Thin client, 431
Thin-film, 380
Thin-film transistor, 380
Thin-film transistor liquid crystal display (TFT), 656
Third-level, 6
Third-party, 668
Third-party DMA, 184
Threads, 507, 656-657, 729
Three-letter acronym (TLA), 661-662
Threshold, 536
TIA/EIA-422, 657-658
TIA/EIA-423, 658-659
TIA (Telecommunications Industry Association), 657
TIA (thanks in advance), 657
TIC (Token Ring interface coupler), 659
Tick, 659
Ticket-granting server, 369
Ticket-granting ticket, 369
TIES (time independent escape sequence), 659-660
TIFF (tagged image file format), 660
Time, 292
Time Compression Multiplexing, 636
Time delay, 377
Time division duplexing, 492
Time division multiple access (TDMA), 492, 653-654, 718
Time division multiplexing (TDM), 641, 652-653
Time independent escape sequence (TIES), 659-660
Time Sharing Option (TSO), 669
Time-stamp, 660
Time-to-first-fix, 293
Time-to-live (TTL), 669
Timecode, 602
Tint, 461
Tip and ring, 513, 661
Tips, 513, 661
Title, 313
TLA (three-letter acronym), 661-662
Tmap, 214
TN3270 (Telnet 3270), 662
Token bucket size, 727
Token Holding Time, 259
Token Packet, 682
Token rate, 727
Token Ring, 662-663
Token Ring interface coupler (TIC), 659
Tokens, 272, 662
Toll calls, 382, 531
Tool command language/tool kit (Tcl/Tk), 647-648
Toolkit without an interesting name (TWAIN), 670
Total internal reflection, 269
TP-PMD (Twisted Pair-Physical Medium Dependent), 258, 663
TPC (Transaction Processing Council), 663
TPS (transactions per second), 663, 664
Track-at-once, 129
Track-to-track, 124
Tracks, 125
Trade dress, 664
Trade secrets, 664
Trademark applications, 665
Trademarks, 139, 330, 335, 664-666
Trademarks Office, 665
Traffic channels, 121
Traffic descriptor, 67
Traffic flows, 342
Traffic shaping, 67
Transaction logs, 619
Transaction Processing Council (TPC), 663
Transactions, 449, 619
Transactions per second (TPS), 663, 664
Transceivers, 217
Transcoding, 284, 285
Transformers, 587
Transistor-transistor logic (TTL), 464, 669-670
Transit arrangement, 429
Transition cards, 145
Translational bridging, 20
Transmission control protocol/Internet protocol (TCP/IP), 651-652
Transmission Control Protocol (TCP), 649-651
Transmission window, 269
Transmissive, 146, 379
Transmit, 14
Transmit clock, 220
Transmit data, 219
Transmit Station Identification, 251
Transmitter/receiver, 722
Transparent, 296
Transparent asynchronous transmitter/receiver interface (TAXI), 647
Transparent bridges, 552
Transparent spanning tree, 553
Transponders, 563
Transport, 649
Transport mode, 344
Tree, 504
Trellis code modulation, 84, 261, 692
Trial use standards, 657
Trickle-charge rate, 82
Triggered updates, 618
Triple DES, 173
Trivial file transfer protocol (TFTP), 656
Tropical year, 380
True, 218
True Color, 506
TrueImage, 512
TrueType, 277, 666-667
TrueType Fonts, 277
Trumpet Winsock, 725
Trunks, 653, 667-668
TSAPI (Telephony Services Application Programming Interface), 668
TSB (technical service bulletin), 669
TSO (Time Sharing Option), 669
TTL (time-to-live), 669
TTL (transistor-transistor logic), 464, 669-670
Tunnel mode, 344
Tunneling, 231
Tunnels, 393
Tuples, 486
TWAIN (toolkit without an interesting name), 670
Twist pitch, 686
Twisted, 379
Twisted pair, 512
Twisted Pair Physical Medium Dependent (TP-PMD), 258, 663
Two-dimensional, 251
Two-way glueless SMP, 497
Two-way set-associative caches, 107
Type, 400
Type 1, 426, 512, 629
Type 9, 629
Type Foundries, 512
Type of service, 383, 455
Typeface family, 277, 671
Types of devices, 578
Typical, 352

U

U interface, 442
UA (user agent), 672, 738
UART (universal asynchronous receiver transmitter), 672-673
UDP (user datagram protocol), 673
UI (UNIX International), 674
UIFN (universal international FreePhone number), 674
.uk, 190
ULF (very low frequency), 648, 714
Ultra DMA, 674
UltraSCSI, 578
Ultrathin cl