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Voice Over Packet (IP and ATM): Architectures, Softswitches and Gateways

Dittberner Associates
May 21, 2001
1200 Pages - SKU: BCEQ1136723

Abstract Table of Contents Related Reports

A major focus of the telecommunications community is now on VoIP. Having a firm grasp of the realistic status and prospects of Voice-over-Packet technologies is imperative to insure success of your VoP product line.

Having an independent, objective, and mature professional evaluation of these market opportunities is a cost-effective means of risk reduction!

To meet your needs for objective guidance, Dittberner Associates is publishing a research report titled, "VOICE OVER PACKET (IP and ATM): ARCHITECTURES, SOFTSWITCHES & GATEWAYS". This report, consist of two volumes containing over 1,200 pages. Your company's VoP products, along with 59 other leading Voice-over-Packet equipment suppliers, were chosen to be included in this report.

Here's your chance to quickly and easily discover:

What are my competitors' market share by country?
Who are their customers?
What are the technical specifications of their products and how do they compare to ours?

This report also includes:

VoP Technology & Architectural Forecasts
Installed Base of Voice-over-Packet Systems
Cost-Based Price Forecasts for System Components
Market Forecasts for Gateways & Softswitches
25 Case Studies of VoP Implementations
Conclusions & Recommendations for Action

VOLUME 1

PART I - TECHNICAL & ARCHITECTURAL FORECASTS

1. INTRODUCTION TO EDITION

A. INTRODUCTION

B. THE DAI PERSPECTIVE - A GLOBAL TELECOM TECHNOLOGY SERIES

C. ORGANIZATION OF THIS REPORT

D. PLANS FOR FUTURE EDITIONS ON THE DAI PERSPECTIVE

2. EXECUTIVE SUMMARY

3. ALTERNATIVE ARCHITECTURES FOR VOICE OVER PACKET

A. INTRODUCTION

B. VOICE OVER ATM

C. VODSL

1) VoDSL using DSLAM and Class 5 Switch

2) Incumbent Carrier VoDSL Network Configuration

D. VOIP

1) Architectures

2) Major Components

4. STANDARDS ISSUES / PROTOCOLS AND THEIR EVOLUTION

A. GENERAL TRENDS

1) Background

2) The Promise of IP Telephony

3) ATM and Multi-Service Networks

B. LARGE ASICS

C. STANDARDS FOR MULTI-SERVICE NETWORKS

1) The Standard Setting Bodies

2) Major Standards of Importance for Voice-over-Packet and for Related Applications

D. THE H.323 STANDARD

1) What it is

2) An Overview of H.323

3) Outlook for H.323

E. THE SESSION INITIATION PROTOCOL (SIP)

1) What it is

2) An Overview of SIP

3) Outlook for SIP

F. MPLS

1) What it is

2) An Overview of MPLS

3) Outlook for MPLS

G. DIFFSERV

1) What it is

2) An Overview of DiffServ

3) Outlook for DiffServ

H. MEGACO

1) What it is

2) An Overview of Megaco

3) Outlook for Megaco

I. VOICE COMPRESSION / SILENCE SUPPRESSION

5. THE FUTURE OF CIRCUIT SWITCHING VS. PACKET SWITCHING

A. INTRODUCTION

B. VOICE IN PACKET NETWORKS - AN OVERVIEW

1) General

2) Packet Transport Basics

3) Beyond Frame Relay - ATM Basics

4) Voice over ATM

5) IP Basics

6) Voice-over-IP

C. ATM, IP OR MPLS SWITCHING IN THE TRUNK NETWORK

1) General

2) ATM Switching

3) IP Switching and MPLS

D. THE CHANGING ROLE OF THE LOCAL EXCHANGE

1) Introduction

2) Separating the Control Function and the Transport Function

3) Packet Based Local Exchanges for Wireline Service

4) IP-Based Local Exchanges for Cable TV Networks

5) Packet Mode in Mobile Telephone Networks

E. NEXT GENERATION OF MULTI-SERVICE SWITCHES - NEW FUNCTIONALITY

1) Introduction

2) Subscriber Features

3) System Features

4) Network Features

5) Server Support Evolution for Converged Networks

6) IP Performance Issues and Their Potential Resolution

7) Potential Impact of Optical Components Technology on Multi-Service Exchanges

8) Summary - IP VERSUS ATM

6. SOFTSWITCHES FOR LOCAL NEXT GENERATION EXCHANGES

A. INTRODUCTION

B. CONCEPT AND REQUIREMENTS

1) General

2) Specific Requirements

C. SOFTWARE ARCHITECTURE

1) General

2) The Call Connection Module

3) The Feature Server

4) Softswitch Databases

5) The Signaling Gateway

6) The Accounting Gateway

D. PROTOCOL ISSUES

1) Introduction

2) An Overview of H.323

3) Overview of SIP

4) Overview of MGCP

5) Offshoots of MGCP

6) Future Trends in Protocols

E. CALL SET-UP EXAMPLES

F. FEATURE SERVER

1) General

2) Softswitch with Integral Feature Server

3) Feature Server as a Stand-Alone Network Element

4) Converting a Local TDM Exchange into a Feature Server

G. FUTURE TRENDS

1) General Configuration Trends

2) Protocol Trends

7. MEDIA GATEWAYS

A. INTRODUCTION

B. LOCAL MEDIA GATEWAY

1) General

2) Requirements

3) System Architecture

C. TRUNK GATEWAYS

1) General

2) Requirements

3) System Architecture

D. SUBSCRIBER PREMISES GATEWAY

1) General

2) Requirements

3) System Architecture

E. VOICE ENCODING AND SILENCE SUPPRESSION

1) General

2) Voice Encoding Approaches

3) Silence Suppression

F. FUTURE TRENDS

8. SIGNALING GATEWAYS

A. INTRODUCTION

B. SS7 BASICS

1) General

2) The Physical SS7 Network

3) The SS7 Protocol

4) Transaction Capabilities Application Part (TCAP)

C. CONCEPT AND REQUIREMENTS

1) General

2) Specific Requirements

D. SYSTEM ARCHITECTURE

E. SOFTWARE ISSUES

F. FUTURE TRENDS

9. GATEKEEPERS

A. INTRODUCTION

B. CONCEPT AND REQUIREMENTS

1) General

2) Specific Requirements

C. SOFTWARE ARCHITECTURE AND PROTOCOL ISSUES

1) Software Architecture

2) Protocol Issues

D. CALL SET-UP EXAMPLES

1) Call Set-Up

2) Call Release

E. FUTURE TRENDS

10. NEXT GENERATION EXCHANGES

A. INTRODUCTION

B. CONCEPT AND REQUIREMENTS

1) General

2) Specific Requirements

C. SYSTEM ARCHITECTURE

D. HARDWARE COMPONENTS

E. SOFTWARE ISSUES

F. VOICE OVER THE INTERNET

1) General

2) Voice Over the Internet

G. FUTURE TRENDS

11. IN/AIN TRENDS IN VOICE OVER PACKET NETWORKS

A. INTRODUCTION

B. IN BASICS

1) The Signaling Service Control Point (SCCP)

2) The Transaction Capabilities Application Part (TCAP)

3) IN in the PSTN

C. IN AND THE PACKET NETWORK

1) Interworking Between SS7 and the Packet Network - TODAY'S STATUS

2) Carrying SS7 Signaling over a Packet Network

3) Other IN Related Issues for Packet Networks

D. FUTURE TRENDS

12. VOICE OVER PACKET SYSTEMS COST-BASED PRICE FORECAST

A. INTRODUCTION

B. ASSUMPTIONS FOR OUR FORECASTS

1) Anticipated Technology Trends

2) Configurations of Our Model Network Elements

C. LINE PORT UNITS - ANALOG AND ISDN

1) General

2) Multiple Circuits Per PCB vs. Single Circuit Per Board

3) Cost Forecasts 2001 - 2009

D. DSL UNITS

E. TRUNK PORT UNITS

1) General

2) Cost Forecast for Trunk Ports from 2001 to 2009

F. SWITCHING FABRIC

G. COMMON CONTROL PROCESSORS

1) General

2) Technology Trends

3) Cost Trends of General Processors

4) Cost Trends of Peripheral Processors

H. TDM / PACKET CONVERSION UNITS

1) General

2) Cost Forecast

I. COMPUTING PLATFORM FOR SOFTSWITCH

1) General

2) Hardware Platform for the Softswitch - Assumptions

J. ALLOCATION OF R&D COST

1) General - Historic Data from TDM Exchanges

2) R&D Expenditures for Packet Exchanges - Three Distinct Scenarios

3) Life Cycle R&D Costs for Softswitches and Media Gateways

4) Product Lifetime and R&D Allocation Method

5) Trends in R&D Expenditures

6) Reasons for Development Cost Reductions for VoP Switching

K. LICENSE FEES FOR PROTOCOL STACKS

L. COST MODELS FOR LOCAL MEDIA GATEWAY

1) General

2) Hardware Costs

3) Other Cost Items

4) Detailed Cost Forecasts for our Media Gateway Models

M. COST MODELS FOR SOFTSWITCH

1) General

2) Hardware Costs

3) Other Cost Items

4) Detailed Cost Forecasts for our Softswitch Models

N. COST MODEL FOR AN "ALL-IN-ONE" LOCAL EXCHANGE

1) General

2) Hardware Cost

3) Other Cost Items

4) Detailed Cost Forecast fo

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