ATM宽带网络信令

书籍目录

Contents

Preface xv

CHAPTER 1 Introduction

Introduction

Purpose of a Signaling System

Transport Systems and Signaling Systems

The Blurring of the Distinction between Transport

and Signaling Networks

Narrowband Signaling Transport and Networks

The T1 System

X.25 and Packet Switehing Systems

SS7 Systems

Problems with Narrowband Signaling

Broadband Signaling Networks

Why Not Just Use SS7?

Summary

CHAPTER 2 ISDN and B-ISDN Architecture

Introduction

Interfaces and Functional Groupings

Reference Points

ISDN Logical Channel Concept

Typical ISDN Configuration

The ISDN Layers

What Is B-ISDN?

B-ISDN Functional Entities and Reference Points

The B-ISDN Planes and Layers

Major Functions of the Layers

Classification of Broadband Services

Summary

CHAPTER 3 ATM Archltecture

Introduction

ATM Architecture

Why the Interest in ATM?

ATM and B-ISDN

The ATM Layers

Virtual Circuits with the VPCI, VPI, and VCI 29

Virtual Path Connection Identifier (VPCI) 32

The ATM Cell and Cell Header

A Closer Look at AAL

Formats of the AAL PDUs

Summary

CHAPTER 4 Signallng System Number 7 (SS7) Architecture

Introduction

Early Signaling

Common Channel Signaling

SS7 Fundamentals

Example of an SS7 Topology

Functions of the SS7 Nodes

The Service Switching Point (SSP)

The Signaling Transfer Point (STP)

The Service Control Point (SCP)

The 337 Levels (Layers)

337 Identifiers and Numbering 3cheme

Global Title Addressing and Translation

Summary

CHAPTER 5 Addressing, SAPs, Primltlves, and PDUs

Introduction 50

Explicit Addresses and Labels

A Short Treatise on Routing

The ATM Address Scheme

The E.164 Address Scheme

Service Access Points (SAPS)

How Primitives (Service Definitions) Are Used

Relationships of Service Definitions and Protocol

Spedfications

Connection Mapping

Other Key Concepts

ATM's Use of the OSI Model

The Broadband Signaling Stacks and the User Layers 60

Summary

CHAPTER 6 SAAL, SSCOP, and SSCF

Introduction

Position of SAAL in the Broadband Signaling Layers

The Protocol Stack in More Detail

Functions of SAAL

Functions of SSCF

Functions of SSCOP

Functions of SSCS Layer Management (LM)

The SAAL Primitives and Signals Operations

Depictions of the Layers and Their Associated Primitives

and Signals

Primitives and Signals between SSCF and MTP 3

Signals between SSCOP-SSCF and SSCOP-Layer

Management

Signals between Layer Management and SSCF

Signals between SSCOP and CPCS

The Error Codes

The SSCOP Operations in More Detail

SSCOP PDUs

Examples of SSCOP "Housekeeping" Operations

Examples of SSCOP Transferring Signaling Traffic

Relationships of the SAAL Entities and MTP 3

Parameters in the Primitives and PDUs

Summary 91

CHAPTER 7 UNI Signaling

Introduction

Broadband Signaling Stacks

UNI Messages and Infomnation Elements

Message Format

The Messages

The Information Elements (lEs)

Overview of UNI Operations

The Q.2931 Timers

The UNI Operations in More Detail

The Connection Establishment Operation

The Connection Release Operation

The Restart Operation

The Status Inquiry Operation

The Add Party Operation

The Drop Party Operation

The Q.931 Message Information Elements in More

Detail

AAL Information Element

Broadband Low Layer Information Element

ATM Forum UNI Version 4.0 Variations

Summary

CHAPTER 8 B-ISUP Signaling

Introduction

Purpose of B-ISUP

What B-ISUP Does Not Do

Bandwidth Analysis and Path Discovery

Position of B-ISUP in the Broadband Signaling Layers

The SS7 MTP Support to B-ISUP

Overview of the B-ISUP Operations

Trunk Groups and VPCIs

Setting up the Virtual Circuits

B-ISUP NNI Messages and Parameters

The Messages

Parameters in the Messages

Examples of B-ISUP Operations

The B-ISUP Architecture in More Detail

Summary

Appendix 8A: Parameters Used in B-ISUP Messages 130

Appendix 8B: B-ISUP tnterfaces, Phmitives, and Primitive

Parameters

CHAPTER 9

Operatlons Between UNI and NNI

Introduction

Typical Call Setup and Release Operations

Mapping between the UNI and NNI Messages

and Information Elements

Summary

CHAPTER 10

Other Broadband Signaling Operations

and Performance Requlrements

Introduction

Contiguration Options

Point-to-Multipoint Calls

Signaling Identifiers (SIDs)

Add Party Operations

Performance Requirements for the Signaling Virtual Channel

Connection (VCC)

Summary

CHAPTER 11 Prlvate Network-Network Interface (PNNI)

Introduction

Why Another NNI Protocol?

Overview of PNNI Protocol

Unique Aspects of PNNI Signaling vis-a-vis Q.2931 161

PNNI Signaling Specification Model

Terms and Concepts

PNNI Metrics

Metric Aggregation

Horizontal and Outside Links

PNNI Hierarchy Example

PNNI Signaling Messages

A Look at the SETUP Message Information

Elements

PNNI Available Bit Rate (ABR) Descriptors

Designated Transit List (DTL)

Soft Permanent Virtual Connection Procedures

Crank Back

Designated Transit List

Information Elements for the Support of Other Services

Summary

作者简介

This book is one

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