Chapter 1 Introduction 1
1.1 The Arrival of ISDN 2
1.2 The Computer-Communications Revolution 3
1.3 From Communications to Computers 5
Preface 7
1.4 From Computers to Communications 7
1.5 Outline of This Book 8
PART ONE DIGITAL COMMUNICATIONS FUNDAMENTALS 13
2.1 Analog and Digital Data Transmission 15
Chapter 2 Digital Transmission 15
2.2 Digital Encoding of Analog Data 19
2.3 Multiplexing 22
2.4 Digital Carrier Systems 24
2.5 Summary 27
2.6 Recommended Reading 27
2.7 Problems 27
Chapter 3 Line Coding and the Subscriber Line 29
3.1 Subscriber Line Technology 29
3.2 Line Coding Techniques 39
3.3 The U Interface 46
3.4 Quadrature Amplitude Modulation 48
3.5 Asymmetric Digital Subscriber Line 51
3.6 xDSL 54
3.7 Summary 55
3.8 Recommended Reading 55
3.9 Problems 56
Appendix 3A:Scrambling and Descrambling 58
Chapter 4 Communication Networks 61
4.1 Switching Techniques 61
4.2 Circuit Switching 63
4.3 Routing for Circuit-Switching Networks 66
4.4 Control Signaling for Circuit-Switching Networks 67
4.5 Packet Switching 76
4.6 X.25 80
4.7 Comparison of Circuit and Packet Switching 90
4.8 Other Switching Techniques 91
4.9 Summary 93
4.10 Recommended Reading 93
4.11 Problems 93
PART TWO INTEGRATED SERVICES DIGITAL NETWORKS 95
Chapter 5 ISDN Overview 97
5.1 The Integrated Digital Network 97
5.2 A Conceptual View of ISDN 100
5.3 ISDN Standards 110
5.4 Recommended Reading 117
5.5 Problems 117
Appendix 5A:ITU Telecommunications Standardization Sector 117
Appendix 5B:ITU-T Recommendations on ISDN 118
6.1 Transmission Structure 123
Chapter 6 ISDN Interfaces and Functions 123
6.2 User-Network Interface Configuration 126
6.3 ISDN Protocol Architecture 134
6.4 ISDN Connections 136
6.5 Addressing 142
6.6 Interworking 149
6.7 Summary 155
6.8 Recommended Reading 156
6.9 Problems 156
Appendix 6A:ISDN Elementary Functions 157
7.1 Basic User-Network Interface 161
Chapter 7 ISDN Physical Layer 161
7.2 Primary Rate User-Network Interface 172
7.3 U Interface 176
7.4 Summary 178
7.5 Problems 179
Chapter 8 ISDN Data Link Layer 181
8.1 LAPD 181
8.2 Terminal Adaption 196
8.3 Bearer Channel Data Link Control Using I.465/V.120 207
8.4 Summary 215
8.5 Recommended Reading 216
8.6 Problems 216
Chapter 9 ISDN Network Layer 217
9.1 Overview 217
9.2 Basic Call Control 218
9.3 Control of Supplementary Services 235
9.4 Summary 238
9.5 Recommended Reading 238
9.6 Problems 238
10.1 Service Capabilities 239
Chapter 10 ISDN Services 239
10.2 Bearer Services and Teleservices 243
10.3 Basic and Supplementary Services 252
10.4 Summary 254
10.5 Problems 255
Chapter 11 Signaling System Number 7 257
11.1 SS7 Architecture 258
11.2 Signaling Data Link Level 264
11.3 Signaling Link Level 264
11.4 Signaling Network Level 271
11.5 Signaling Connection Control Part 277
11.6 ISDN User Part 292
11.7 Summary 302
11.8 Recommended Reading 303
11.9 Problems 304
Appendix 11A:Service Primitives and Parameters 304
Appendix 11B:ITU-T Recommendations on SS7 307
PART THREE FRAME RELAY 309
Chapter 12 Frame Relay Protocols and Services 311
12.1 Background 312
12.2 Frame-Mode Protocol Architecture 315
12.3 Frame-Mode Call Control 320
12.4 LAPF 335
12.5 Summary 341
12.6 Recommended Readings 341
12.7 Problems 342
Chapter 13 Frame Relay Congestion Control 345
13.1 Congestion in Frame Relay Networks 345
13.2 Approaches to Congestion Control 351
13.3 Traffic Rate Management 352
13.4 Explicit Congestion Avoidance 357
13.5 Implicit Congestion Control 366
13.6 Summary 367
13.7 Recommended Reading 368
13.8 Problems 368
PART FOUR BROADBAND ISDN 371
Chapter 14 Broadband ISDN Architecture 373
14.1 B-ISDN Standards 374
14.2 Broadband Services 376
14.3 Requirements 382
14.4 Architecture 386
14.5 Summary 390
14.6 Recommended Reading 391
14.7 Problems 391
Chapter 15 Broadband ISDN Protocols 393
15.1 B-ISDN Protocol Reference Model 393
15.2 B-ISDN Physical Layer 396
15.3 SONET/SDH 400
15.4 Summary 408
15.5 Recommended Reading 408
Appendix 15A:4B5B/NRZI Coding 409
15.6 Problems 409
PART FIVE ASYNCHRONOUS TRANSFER MODE 413
Chapter 16 ATM Protocols 415
16.1 Asynchronous Transfer Mode 415
16.2 Transmission of ATM Cells 433
16.3 ATM Adaptation Layer 438
16.4 Summary 450
16.5 Recommended Reading 450
16.6 Problems 451
Chapter 17 ATM Traffic and Congestion Control 453
17.1 Requirements for ATM Traffic and Congestion Control 454
17.2 ATM Service Categories 460
17.3 ATM Traffic-Related Attributes 462
17.4 Traffic Management Framework 466
17.5 Traffic Management 468
17.6 ABR Traffic Management 479
17.7 Recommended Reading 490
17.8 Problems 491
A.1 Flow Control 493
Appendix A Flow Control,Error Detection,and Error Control 493
A.2 Error Detection 500
A.3 Error Control 506
Appendix B The OSI Reference Model 511
B.1 Motivation 511
B.2 Concepts 512
B.3 Standardization within the OSI Framework 517
B.4 Layers 519
Glossary 523
References 529
Index 535