Get the big picture on converged network architectures and emerging protocols! Converged networks integrate voice, video, and data traffic on a single network. This book covers converged network architectures as well as the latest enabling protocols including SIP, H.323, MPLS, and H.248. Readers will gain a better understanding of network architectures and protocols such as SONET, frame relay, ATM and IP. The book offers the latest information on voice communication networks, data networks, voice packet processing, coding for broadband systems, and voice- over packet networks. Readers will also discover how converged networks can provide the highest level of service for the least cost.

OLIVER C. IBE, ScD, is Director of Network Architecture at Spike Broadband Systems, a fixed broadband wireless company. He has been a research staff member at IBMs T. J. Watson Research Center, Digital Equipment Corporation, and GTE Labs; a network architect at Cabletron Systems and Xyplex Networks; and director of network architecture at Adaptive Broadband Corporation. Dr. Ibe has taught at Georgia Tech and was a visiting scientist at MIT. He was the managing editor of Computer Networks and ISDN Systems and is a senior member of IEEE.

Preface

vii

Acknowledgments

viii

Overview of Converged Networking

1

(8)

Introduction

1

(2)

Rationale for Network Convergence

3

(1)

Benefits of Converged Networking

4

(1)

Converged Network Technologies

5

(1)

Overview of the Book

6

(1)

Summary

7

(1)

Reference

7

(2)

Voice Communication Network Concepts

9

(48)

Introduction

9

(1)

Voice Transmission Schemes

10

(2)

The Public Switched Telephone Network

12

(5)

Integrated Services Digital Network

17

(3)

Call Control and Signaling System Number 7

20

(4)

Advanced Intelligent Networks

24

(4)

ATM Networks

28

(9)

SONET Systems

37

(16)

Summary

53

(1)

References

53

(4)

Data Networking Concepts

57

(36)

Data Characteristics

57

(1)

Synchronization in Data Transmission

58

(2)

Data Communication Networks

60

(5)

Data Communication Network Architecture

65

(3)

The Internet Architecture

68

(15)

The Internet

83

(4)

Frame Relay Networks

87

(4)

Summary

91

(1)

References

91

(2)

Voice Packet Processing

93

(36)

Introduction

93

(1)

Increasing Voice Channel Bandwidth Utilization

93

(2)

Voice by the Packet

95

(1)

Voice Coding Techniques

96

(28)

Voice Coding Standards

124

(2)

Summary

126

(1)

References

127

(2)

Modulation Schemes for Wireless and Broadband Systems

129

(28)

Introduction

129

(1)

Impairments Associated with Wireless Communication

130

(1)

Impairments Associated with Wireline Broadband Systems

131

(1)

Equalization

132

(2)

Single-Carrier Modulation Schemes

134

(9)

Multicarrier Modulation Systems

143

(11)

Summary

154

(1)

References

154

(3)

Voice-over-Packet Networking

157

(26)

Introduction

157

(2)

Issues in Voice-over-Packet Networking

159

(4)

The H.323 Recommendation and Voice-over-Packet Networks

163

(13)

Quality of Service Issues in Voice-over-Packet Networks

176

(1)

Voice-over-Packet Standards

176

(4)

Summary

180

(1)

References

181

(2)

Voice-over-IP Networking

183

(60)

Introduction

183

(2)

VoIP Signaling Protocols

185

(35)

The PINT Service Protocol (RFC 2848)

220

(2)

IP QoS

222

(13)

VoIP Transport Architectures

235

(4)

Summary

239

(1)

References

240

(3)

Voice-over-ATM Networks

243

(26)

Introduction

243

(1)

VoATM Schemes

244

(2)

Circuit Emulation Service

246

(19)

Comparison of Voice over AAL Schemes

265

(2)

Summary

267

(1)

References

268

(1)

Voice-over-Frame Relay Networks

269

(14)

Introduction

269

(2)

Frame Relay Forum VoFR Model

271

(8)

VoFR over Switched Virtual Circuits

279

(1)

Review of the Voice-over-Packet Models

280

(1)

Summary

281

(1)

References

282

(1)

Converged Network Access Technologies

283

(32)

Introduction

283

(1)

Cable Network Access

284

(8)

DSL Access

292

(9)

Broadband Wireless Access Networks

301

(8)

Corporate Access Networks

309

(3)

Summary

312

(1)

References

312

(3)

The Softswitch Model of VoIP

315

(10)

Introduction

315

(2)

Benefits of the Softswitch

317

(1)

Softswitch Architecture

318

(3)

Service Creation Environment

321

(1)

Summary

322

(1)

References

322

(3)

Index

325

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