This hands-on book focuses on the practical aspects of ATM signalling that network engineers and designers will need to know now and in the foreseeable future. It covers the basic call control functions as well as Internet Protocol over ATM, LAN emulation, multiprotocol over ATM, and much more. Case studies are also included to demonstrate this technology in action.

Hartmut Brandt is the author of ATM Signalling: Protocols and Practice, published by Wiley.

Christian Hapke is the author of ATM Signalling: Protocols and Practice, published by Wiley.

Preface

ix

Abbreviations

xiii

Introduction

1

(8)

Organisation of the Book

2

(1)

Systems used for Experiments

2

(2)

Protocol Tracing Tools

4

(3)

Introduction

4

(1)

Sun Batman API to Packet Stream Stub baps

5

(1)

Fore API to Packet Stream Stub faps

5

(1)

Reading ATM Cells with HP 75000 BSTS and hpcs

5

(1)

Cell Stream Dump with csdump

6

(1)

AAL5 Reassembly Tool a5r

6

(1)

Generic Packet Stream Dump psd

6

(1)

Trace SSCOP Protocol tool sscopdump

6

(1)

Generic Decoder for UNI 3.1, UNI 4.0, Q.2931 and PNNI 1.0 Signalling sigdump

6

(1)

ATM Forum PNNI 1.0 Routing Decoder pnnidump

7

(1)

ILMI Dump tool ilmidump

7

(1)

ATM Protocol Software

7

(1)

Standardisation Process

7

(2)

Overview of ATM Signalling

9

(8)

Signalling Interfaces and Protocols

9

(2)

Example ATM Connection

11

(6)

UNI: User---Network Interface

17

(82)

Overview

17

(2)

Configuration

19

(6)

Signalling Channels and Modes

20

(2)

Proxy Signalling

22

(2)

Virtual UNIs

24

(1)

UNI Messages

25

(11)

Message Header

26

(2)

Information Elements

28

(2)

Information Element Coding

30

(1)

Coding Examples

30

(5)

Interdependence of Information Elements

35

(1)

Connection States

36

(1)

Point-to-Point Calls

37

(23)

Outgoing Calls

40

(4)

Connection Identifier Selection

44

(1)

Negotiation of Connection Characteristics

45

(2)

Incoming Calls

47

(4)

Unsuccessful Calls

51

(3)

Clearing a Call

54

(5)

Status Enquiry Procedure and STATUS Messages

59

(1)

Point-to-Multipoint Calls

60

(22)

End Point References and Party States

63

(3)

Establishment of the First Party

66

(1)

Adding a Leaf

66

(6)

Rejecting an ADD PARTY Request

72

(1)

Dropping a Leaf

72

(4)

Party Status Enquiry Procedure

76

(1)

Leaf-Initiated Join

77

(5)

Restart Procedure

82

(3)

Interface to the SAAL

85

(3)

Exception Handling

88

(6)

The Structure of a UNI Protocol Instance

94

(5)

ATM Addresses

99

(10)

The semantics of Addresses

99

(1)

Called and Calling Party Numbers

99

(3)

AESA: ATM End System Address

102

(3)

Native E.164 Addresses

105

(1)

ATM Anycast

105

(1)

Address Aggregation

106

(2)

Summary

108

(1)

SAAL: Signalling ATM Adaptation Layer

109

(42)

SSCOP: Service Specific Connection Oriented Protocol

110

(33)

SSCOP Interfaces

113

(1)

Message Types

114

(1)

State Variables

114

(2)

Connection Establishment

116

(5)

Connection Tear-down

121

(1)

Assured Data Transfer and Keep-Alive

122

(8)

Flow Control

130

(3)

Recovery from Protocol Errors

133

(2)

Resynchronisation

135

(2)

Unassured Data Transfer

137

(1)

Message Retrieval and Buffer Management

138

(3)

Interface to Layer Management

141

(2)

SSCF UNI: Service Specific Coordination Function at the UNI

143

(1)

SSCF NNI: Service Specific Coordination Function at the NNI

144

(5)

Summary

149

(2)

PNNI: Private Network Node Interface

151

(48)

Introduction

151

(2)

Introduction to the PNNI Routing Protocol

151

(2)

Introduction to the PNNI Signalling Protocol

153

(1)

Routing Protocol

153

(35)

Addressing

153

(2)

Logical Links

155

(1)

PNNI Routing Control Channels

155

(1)

Identifiers and Indicators

156

(2)

Hello Protocol

158

(4)

Database Synchronisation

162

(3)

Topology Description and Distribution

165

(1)

Advertising and Summarising Reachable Addresses

166

(1)

Flooding

167

(1)

Hierarchy

167

(1)

Communication Examples

167

(21)

Signalling Protocol

188

(10)

Communication Examples

190

(8)

Summary

198

(1)

ILMI: Integrated Local Management Interface

199

(18)

Introduction to ILMI

199

(1)

The ILMI Protocol

200

(1)

The ATM Interface MIB

201

(2)

System Information MIB

201

(1)

Link Management MIB

202

(1)

Address Registration MIB

203

(1)

Automatic Configuration

203

(2)

Automatic Link Configuration

203

(1)

Automatic Address Registration

204

(1)

ILMI Communication Examples

205

(10)

An Unattached ATM End System Interface

206

(1)

An Unattached ATM Switch Port

206

(1)

An ATM Link is Going Up

207

(5)

An ATM Link is Up (Normal Operation)

212

(1)

An ATM Link is Going Down

212

(1)

Addition of an ATM Address Prefix

213

(1)

Removal of an ATM Address Prefix

214

(1)

Summary

215

(2)

Protocols on Top of ATM Signalling

217

(18)

Introduction

217

(1)

CLIP: Classical IP over ATM

217

(5)

Overview

217

(2)

IP PDU Encapsulation

219

(1)

ATMARP: ATM Address Resolution Protocol in CLIP

220

(2)

LANE: LAN Emulation over ATM

222

(10)

Overview

222

(1)

LANE Connections

223

(2)

LEC States

225

(1)

Address Registration

226

(1)

Address Resolution

227

(2)

User Data Transport

229

(1)

Flush Message Protocol

230

(1)

Verify Protocol

231

(1)

Interface to Higher Layer Services

231

(1)

Management of a LEC

232

(1)

Sylvia: A Native ATM Multimedia Application

232

(1)

Summary

233

(2)

Appendix A ITU-T Standards

235

(4)

Appendix B Source Code Availability

239

(2)

B.1 Standards

239

(1)

B.1.1 ATM Forum Standards

239

(1)

B.1.2 ITU-T Standards

239

(1)

B.1.3 RFCs

239

(1)

B.2 Protocol Tracing Tools

239

(1)

B.3 ATM Protocol Software

240

(1)

References

241

(6)

Index

247

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