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