Introduction
Targeted Audience
Benefits for the Reader
Organization of the Book
Author’s Disclaimer
Acronyms and Abbreviations
PART1 BACKGROUND
Chapter1 Evolution to Broadband
Introduction
What Is a Communications Network？
Architecture of Communication Networks
Categorization of Communication
Networks Based on Topology
Categorization of Communication Networks
Based on Traffic Transport Mechanisms
Categorization of Communication
Networks Based on Functional Area
Categorization of Communication
Networks Based on Dominant Applications
Telecommunications Networks
History of Telecommunications Networks
Architecture of Telecommunications Networks
Data Communications Networks
History of Data Communications Networks
Architecture of Data Communications Networks
Video Networks
History of Video Networks
Architecture of Video Networks
Broadband Networks——The Convergence of Networks for High-Speed Communications
Technological, Economic, and Regulatory Drivers for Convergence
Technological Drivers
Regulatory Drivers
Economic Drivers
Evolutionary Process Toward Convergence
Applications of Broadband Networks
Internet Access
Imaging
Summary
References
Chapter2 Broadband Access Technologies and Architectures
Overview
Needs of Customers, Service Providers, and Equipment Manufacturers
Needs of Customers
Needs of Service Providers
Needs of Equipment Manufacturers
Key Requirements
Affordable Access
Ubiquitous Access
High-speed Access
Broadband Access Technologies
Copper-Loop Access Technologies（XDSL）
Cable Access Technologies
Satellite Technology
Broadband Access Architecture
IDLC（Integrated Digital Loop Carrier）
Hybrid Fiber/Coax（HFC）
Fiber-to-the-Curb（FTTC）adn Other Fiber Architectures
LMDS
MMDS
DBS Architecture
Analysis of Broadband Technologies and Architectures
Summary
References
PART2 DSL TECHNOLOGIES
Chapter3 Fundamentals of Copper-Loop Transmission
Overview
Background of PSTN Technology
Information, Data, and Signals
Analog Signals
Conversion of Human Voice into Analog Signals
The PSTNand Analog Transmission
Evolution of the PSTN Core to Digital Transmission
Challenges and Limitations of the PSTN Access Network for Data Transmission
Signal Attenuation Due to Distance
Noisy Environment
Legacy of the Voice Access Network Architecture
Techniques to Overcome the Challenges and Limitations of the PSTN Access Network
Line Coding and Modulation/Demodulation
Error Control
Data Compression
Advanced Techniques
Echo Cancellation
Multi-dimensional Trellis Coding
Shell Mapping（Constellation Shaping）
Fast Training
Evolution of Modem Technology and Standards to DSL
Simultaneous POTS and DSL Service
Summary
References
Chapter4 ADSL and ADSL Lite
Background
History
Basic Network Architecture
Applications
Standards and Working Group Activities
Technology Discussion
Modulation Schemes
ANSI T1.413 Standard Overview
ADSL System Reference Model
ADSL Transport Classes
ADSL Overhead
ADSL Framing
Initialization
Fast Retraining for ADSL Lite
Power Management for ADSL Lite
Differences between T1.413i2, G.dmt, and G.lite
Current State of the Technology
Deployment Issues and Possible Solutions
Interoperability Efforts
Trials and Deployments
Future Directions
Summary
References
Chapter5 HDSL and HDSL2
Background
History
Basic Network Acrhitecture
Applications
Standards Activities
Technology Discussion
Modulation Schemes
Overview of the Draft HDSL2 Standard
HDSL2 System Reference Model
H2TU Transceiver Reference Model
H2TU DS1 TC Layer Functional Characteristics
Initialization
Data Mode
Operations, Administration, Maintenance, and Provisioning（OAM&P）
Current State of the Technology
Deployment Issues and Possible Solutions
Trials and Deployments
Future Directions
Summary
References
Chapter6 VDSL
Background
Histoyr
Basic Network Architecture
Applications
Standards and Special-Interest Group Activities
Technology Discussion
Modulation Schemes
Upstream Multiplexing
VDSL Proposals
ANSI Requirements Documents
VDSL Reference Model
VDSL Data Rates
VDSL Activation and States
Current State of the Technology
Deployment Issues and Possible Solutions
Future Directions
Summary
References
Chapter7 Fundamentals of Higher-Layer Technologies
Overview
Asynchronous Transfer Mode（ATM）
Principles of ATM
Advantages（and Disadvantages）of ATM
ATM Standards
ATM Protocol Model
ATM Addressing
ATM Signaling
ATM Operations, Administration, and Maintenance（OAM）
Transmission Control Protocol/Internet
Protocol（TCP/IP）
TCP/IP Standards
TCP/IP Protocol Architecture
PPP and Tunneling
PPP and the OSI Layer
PPP Initialization
PPP Data Transfer
PPP and Tunneling
Tunneling Protocols
Tunnel Establishment
Differences between Traditional Dial-up and Tunneling
Audio Compression
G.7xx Series of ITU Standards
ADPCM
CELP
Video Compression
Joint Photographic Experts Group（JPEG）Standard
H.261 Developed by the ITU
MPEG-1 Developed by ISO/IEC
MPEG-2 Developed by ISO/IEC
MPEG-4 Developed by ISO/IEC
Vodeoconferencing
H.32x Series of Standards Developed by the ITU
Summary
References
PART3 DSL ARCHITECTURE
Chapter8 Premises and Access Network Architectures
Overview
Premise Network Architecture Requirements
CPE Configuration Requirements
U-interface Requirements
Service Definition Requirements
Proposed Premises Network Architectures
Single Host, Internal DSL Modem
Multiple Hosts, Internal DSL Modem
Single/Multiple Host（s）, External DSL Modem Over ATM-based Premises Distribution
Single/Multiple Host（s）, External DSL Modem Over Non-ATM Based Premises Distribution
Multiple Hosts, Any Media Premises Distribution Using Routing
Functions of the Access Network
User Port Functions
Service Port Functions
Core Functions
Transport Functions
Access Network System Management Functions
Network Elements of a DSL-based Access Architecture
Customer Premises Equipment（CPE）
Access Loop
Colocation or Central Office Equipment
Transport
Switch/Point-of-presence Location
Common Access Architectures
Integrated Digital Loop Carrier（IDLC）
Fiber-to-the-node（FTTN）and Other Fiber-based Loop Architectures（FTTC, FTTH, and FTTB）
CLEC Architecture
Architectural Issues
Operational
Economic
Regulatory
G.lite Specific Issues
Rate Change Due to Splitterless Operation
Maintaining a Network Presince during
Reinitialization
Future Directions
Summary
References
Chapter9 Service Architecture
Overview
Reference Architecture
Service and Higher-layer Architecture
Voice Services and Architecture
Protocol Stack
Key Architecture Element
Architecture Requirements
Architecture Issues
Data Services and Architecture
Protocol Stack
Architecture Requirements
Architecture Issues
Video Services and Architecture
Protocol Stack
Architecture Requirements
Architecture Issues
Full Integrated Services（Integrated Voice, Data, Video）
Protocol Stack
Architecture Requirements
ATM-based Access Network Performance
Architecture Issues
Impact of DSL-based Services on Operational Processes
Summary
References
Chapter10 Broadband Access Network Design
Overview
Broadband Access Network Definition
Network Design Requirements for Broadband Access
Traffic
Protocol
Architecture
Services, Features, and Functions
Access Route Diversity
DSL-based Access Network Design
Traffic Engineering
Access Technology Selection
Link or Transmission Network Design
Broadband DSLAM Node Design
Broadband Access Network Topologies
Physical Star/Logical Star Topology
Physical Ring/Logical Star
Physical Star/Logical Ring
Summary
AppendixA Telecom Operating Companies Pursuing DSL
AppendixB Regulators
AppendixC Telecommunications
Journals and Magazines
Journals and Other Electronic Media
Index
鄂公网安备 42010302001612号 