Chapter One: Introduction
1.1 Objectives of this Report
1.2 Scope of this Report
1.3 Plan of this Report
1.4 Methodology of this Report

Chapter Two: SONET Overview
2.1 What is SONET?
2.2 The basis for SONET Evolution
2.2.1 The Need for Multivendor Optical Networking
2.2.2 Facilities Consolidation
2.2.3 The Need for Survivability
2.2.4 Technological Requirements for SONET
2.2.4.1 Accommodating Current and Future Technology
2.2.4.2 Synchronous Multiplexing
2.2.4.3 Add-Drop
2.2.4.4 Facilities Management
2.2.4.5 Software Management
2.3 SONET Technology
2.3.1 Fiber Optic Technology
2.3.1.1 Impact of the Changing Economics of Fiber
2.3.1.2 Impact of Technological Developments in Fiber Optics
2.3.1.3 Wave-Division Multiplexing
2.3.2 Multiplexing Technology and Digital Hierarchies
2.3.3 Relationship between SONET and ATM
2.4 History and Evolution of the SONET Standards
2.4.1 Early History
2.4.2 Bellcore
2.4.3 ANSI T1 Committee
2.4.3.1 T1X1
2.4.3.2 T1M1
2.4.3.3 T1S1
2.4.4 ITU
2.4.4.1 The Politics of International SONET Standardization
2.4.4.2 The Development of SDH
2.5 The SONET Standardization Process
2.5.1 Phase I
2.5.1.1 The SONET Protocol Stack
2.5.1.2 SONET Overhead
2.5.1.3 SONET Multiplexing
2.5.1.4 The SONET Payload Pointer
2.5.1.5 SONET Virtual Tributaries
2.5.2 Phase II
2.5.2.1 OAM&P and DCCs
2.5.2.2 Intra-Office Communications
2.5.2.3 Wander and Jitter
2.5.2.4 Time-Slot Programmability
2.5.3 Network Architectures
2.5.3.1 Point-to-Point and Chain/Tree
2.5.3.2 Survivable Ring Architectures
2.5.4 New Developments in SONET
2.5.4.1 OC-192
2.5.4.2 The Future of SONET
2.6 Key Features and Impact of SONET Networks
2.6.1 Capabilities to Deliver New Services
2.6.2 Multivendor Compatibility
2.6.3 Service Quality Issues
2.6.4 Immediate Cost Savings
2.6.5 Operational Advantages
2.6.6 Compatibility with the Existing Network
2.7 Relationship to Other Standards
2.7.1 OSI
2.7.2 FDDI and FDDI-II
2.7.3 IEEE 802.6 and SMDS
2.7.4 Broadband ISDN and ATM

Chapter Three: SONET Products
3.1 Introduction
3.2 Chips and Circuits
3.3 Light Sources and Detectors
3.4 Switching and Transmission Products
3.4.1 Loop Products and ADMs
3.4.1.1 The Local Loop
3.4.1.2 SONET Loop Vendors and their Products
3.4.1.3 Technical Aspects of SONET Loop Products
3.4.1.3.1The Next-Generation Digital Loop Carrier
3.4.1.3.2The Access Platform
3.4.2 SONET TRANSPORT Nodes
3.4.3 SONET Cross-Connect and Switching Nodes
3.4.4 Submarine Systems
3.5 Test Equipment and Designer Tools
3.6 Network Management Systems
3.7 SONET Radio

Chapter Four: Forces Driving and Retarding the SONET Market
4.1 Changing Enduser Needs
4.2 Regulatory Issues
4.2.1 Federal Regulations
4.2.1.1 LEC/CAP Interconnection
4.2.1.2 MFJ and Video Dialtone
4.2.2 State and Local Regulation
4.3 Changing Carrier Requirements
4.4 Standard Issues
4.5 Technology Issues

Chapter Five: Profiles of SONET Systems Vendors
5.1 Introduction
5.2 ADC Telecommunications
5.3 Alcatel Network Systems
5.4 ANT Telecommunications
5.5 AT&T Network Systems
5.6 BBN
5.7 DSC Communications
5.8 Ericsson
5.9 Fore Systems
5.10 Fujitsu
5.11 General DataComm
5.12 GTE Government Systems
5.13 Hughes Network Systems
5.17 NEC America
5.18 N.E.T.
5.19 Network Systems Corporation
5.20 Newbridge Networks
5.21 Northern Telecom
5.22 Raynet
5.23 Reliance Comm/Tec Transmission Systems
5.24 Seiscor
5.25 Siemens Stromberg-Carlson
5.26 Tadiran
5.27 Telco Systems
5.28 Telematics
5.29 Tellabs
5.30 T3plus Networking Inc.

Chapter Six Profiles of SONET Test Equipment
6.1 Introduction
6.2 Cerjac
6.3 Hewlett-Packard
6.4 Microwave Logic
6.5 Scientific-Atlanta
6.6 Synchronous Network Solutions
6.7 Tektronix
6.8 Telecommunications Techniques Corporation

Chapter Seven: Profiles of SONET Component Vendors
7.1 Introduction
7.2 AMCC
7.3 AT&T
7.4 BT&D
7.5 Crystal Semiconductor
7.6 Hitachi America
7.7 Laser Diode Inc.
7.8 PMC-Sierra
7.9 Telecom Solutions
7.10 TranSwitch
7.11 Vitesse Semiconductor

Chapter Eight: Enduser Markets for SONET
8.1 Introduction
8.2 Local Exchange Carriers
8.2.1 Ameritech
8.2.2 Bell Atlantic
8.2.3 BellSouth
8.2.4 Century Telephone
8.2.5 Cincinnati Bell
8.2.6 GTE
8.2.7 NYNEX
8.2.8 Pacific Telesis
8.2.9 Southwestern Bell
8.2.10 SNET
8.2.11 Sprint Corporation
8.2.12 U S West
8.3 Interexchange Carriers
8.3.1 AT&T
8.3.2 MCI
8.3.3 Sprint
8.3.4 WilTel
8.4 Alternate Access Carriers and Metropolitan Area Networks
8.5 SONET in Gigabit Testbeds
8.6 SONET in Cable TV Systems
8.6.1 Early SONET adopters in the Cable Industry
8.7 SONET in Enterprise Networks
8.7.1 Early SONET Adopters in Enterprise Networks

Chapter Nine: SONET Market Forecasts
9.1 Local Exchange Companies
9.2 Interexchange Carriers
9.3 Competitive Access Providers
9.4 Cable Television Systems
9.5 Enterprise Networks
9.6 SONET Service Markets
9.7 Analysis of Market by Speed and Network Type

Chapter Ten: Strategies and Opportunities
10.1 Chip and Component Manufacturers
10.2 Transmission Equipment Manufacturers
10.3 Switch Manufacturers
10.4 Carriers
10.5 Other Opportunities