Enhanced descriptions from Syndetics:

With details covering the evolution of digital transmission methods, this reference guide to Asymmetrical Digital Subscriber Lines (ADSL) discusses the latter's applications such as fast Internet access, entertainment video, telecommuting, video conferencing and enhanced telephony.

Table of contents provided by Syndetics

• Acknowledgments (p. xi)
• Preface (p. xiii)
• Introduction (p. xvii)
• 1 Welcome to the Information Superhighway (p. 1)
• The Internet and the Web (p. 8)
• The Web Explodes (p. 15)
• The Rise of the Internet Service Providers (p. 17)
• Woe to the ISPs (p. 21)
• 2 The Public Switched Telephone Network (p. 25)
• A Network Is a Network Is a (p. 26)
• The PSTN: The First Network for the People (p. 31)
• The End of the Bell System (p. 37)
• The Architecture of the PSTN (p. 40)
• The Pieces of the PSTN (p. 44)
• 3 Loops and Trunks (p. 47)
• The Analog PSTN (p. 48)
• Digitizing the PSTN (p. 51)
• Multiplexing and Trunks (p. 53)
• T-carrier (p. 56)
• Integrated Services Digital Network (ISDN) (p. 57)
• Analog Local Loops (p. 59)
• Why Loading? (p. 59)
• Loading and Attenuation (p. 60)
• Other Analog Local Loop Features (p. 62)
• ISDN, Loops, and DAML (p. 64)
• Another Arrangement: CSA (p. 65)
• The Trouble with Analog Local Loops (p. 68)
• Real World Local Loops (p. 68)
• Trunk Groups and the Law of Large Numbers (p. 70)
• Increasing Loads and Trunks (p. 72)
• 4 Packet Switching and Circuit Switching (p. 75)
• Circuit Use and Packet Use (p. 79)
• The Local Exchange Switch and the Internet Router (p. 81)
• Internet Service Providers (ISPs) (p. 86)
• The "Packets on Circuits" Load (p. 87)
• Flat Rate Service (p. 89)
• Typical Residential Network Usage (p. 89)
• Current ISP Traffic Woes (p. 90)
• Switch Blocking (p. 91)
• Is This the Network Needed Today? (p. 91)
• The Trouble with Loops Today (p. 92)
• 5 Possible Solutions (p. 95)
• Overview of 56K Modems (p. 97)
• Overview of Cable Modems (p. 101)
• Pros and Cons of Cable Modems (p. 106)
• Multichannel, Multipoint Distribution System (p. 108)
• Pros and Cons of MMDS (p. 112)
• Local Multipoint Distribution Service (LMDS) (p. 113)
• Pros and Cons of LMDS (p. 117)
• Overview of Satellite Systems (p. 118)
• Pros and Cons of Satellite Systems (p. 119)
• Bluetooth (p. 120)
• Switch-Based Solutions (p. 121)
• ADSL and Other Technologies (p. 122)
• 6 Introducing the DSL Family (p. 125)
• Cooper-Based Solutions (p. 126)
• The DSL Family in Detail (p. 129)
• Another View of the DSL Family (p. 132)
• HDSL and T1 (p. 135)
• HDSL as "Repeaterless T1/E1" (p. 136)
• 2B1Q and ISDN (p. 139)
• SDSL (p. 141)
• Enter Asymmetric DSL (ADSL) (p. 143)
• Rate-Adaptive DSL (RADSL) (p. 145)
• G.lite: ADSL/RADSL Without the Splitter (p. 146)
• Very High Data Rate DSL: Newer and Better? (p. 148)
• IDSL and the Integrated Services Digital Network (ISDN) (p. 150)
• DSL Advantages (p. 151)
• Cost Comparison of Various Broadband and Other Technologies (p. 152)
• 7 HDSL and HDSL2 (p. 155)
• The Trouble with T1/E1 (p. 156)
• HDSL Is Born (p. 157)
• HDSL for T1 (p. 157)
• HDSL for E1 (p. 159)
• The HDSL Frame for T1 (p. 160)
• The HDSL Frame for E1 (p. 162)
• Benefits of HDSL (p. 164)
• Uses of HDSL (p. 165)
• HDSL for ISDN (p. 167)
• The Downward Spiral (p. 168)
• HDSL Limitations (p. 169)
• Beyond HDSL: HDSL2 (p. 170)
• The HDSL2 in Detail (p. 171)
• Final Thoughts on HDSL2 (p. 173)
• HDSL2 Power Control (p. 174)
• 8 The Asymmetric Digital Subscriber Line (ADSL) Architecture (p. 177)
• Current ADSL Architectures (p. 180)
• An ADSL Network (p. 183)
• ADSL and Line Code Standards (p. 186)
• Echo Cancellation and DSLs (p. 187)
• CAP and DMT (p. 188)
• How CAP Works (p. 189)
• CAP/QAM Operation (p. 189)
• Quadrature Amplitude Modulation (QAM) (p. 190)
• DMT for ADSL (p. 193)
• DMT Bins (p. 196)
• Discrete Multitone (DMT) Operation (p. 198)
• 9 The ADSL Interface and System (p. 201)
• ADSL Unidirectional Downstream Transport (p. 202)
• ADSL Bidirectional (Duplex) Transport (p. 209)
• Combining the Options (p. 210)
• ADSL Overhead (p. 211)
• The ADSL Superframe (p. 213)
• The ADSL Frame Structure (p. 217)
• 10 Inside the ADSL Frames (p. 221)
• ADSL Possibilities (p. 227)
• ATM End-to-End (p. 230)
• Ethernet to the DSLAM (p. 236)
• PPP With or Without VPNs (p. 239)
• Pure Routing (p. 241)
• The Real World (p. 242)
• 11 ADSL in Action (p. 245)
• ADSL Target Service Speeds: Video (p. 246)
• ADSL Target Service Speeds: Miscellaneous (p. 249)
• ADSL Target Speeds and Distances (p. 250)
• ADSL in the House! (p. 251)
• Installing Full ADSL: Splitter at the Demarcation? (p. 252)
• Installing Full ADSL: Splitter in the PC Board? (p. 254)
• Installing Full ADSL: Low Pass/High Pass Filters? (p. 255)
• Installing Full ADSL: Low Pass Filters for all Phones? (p. 256)
• ADSL Premises Network Issues (p. 258)
• ADSL Premises Networks (p. 261)
• 10Base-T Ethernet LAN (p. 261)
• Wireless (IEEE 802.11b) (p. 263)
• Bluetooth (p. 265)
• ADSL Security Issues (p. 266)
• Voice over DSL (p. 269)
• 12 The Other Side of ADSL: The DSLAM (p. 275)
• DSLAM Conceptual Architecture (p. 276)
• The "Typical" DSLAM (p. 280)
• The Expanding Role of the DSLAM (p. 282)
• Do-It-Yourself ADSL (p. 287)
• DSLAMs and SONET/SDH Rings (p. 292)
• DSLAM Configuration Possibilities (p. 294)
• DLC and DSLAMs (p. 299)
• 13 DSL Migration Scenarios (p. 307)
• DSL Migration Architecture (p. 309)
• Migration Urgencies and Priorities (p. 311)
• From Analog Modem to ADSL (p. 312)
• From DLC to ADSL (p. 314)
• From ISDN to ADSL (p. 315)
• Inside ADSL: Using IP for "Full Services" (p. 317)
• Use ATM for "Full Service" ADSL? (p. 318)
• From ADSL to NGDLC (p. 319)
• From ADSL to VDSL (p. 321)
• 14 Very High Data Rate Digital Subscriber Line (VDSL) (p. 323)
• VDSL and ATM (p. 327)
• VDSL/ADSL Downstream Speeds and Distances (p. 329)
• VDSL in Detail (p. 330)
• Current Status of VDSL Specifications (p. 332)
• ANSI (p. 332)
• ETSI (p. 333)
• ITU-T (p. 333)
• VDSL Service Characteristics (p. 334)
• Migration to VDSL (p. 335)
• VDSL Services (p. 337)
• VDSL Deployment (p. 339)
• VDSL Issues (p. 341)
• A VDSL Service Sample (p. 343)
• 15 Outstanding DSL Issues (p. 345)
• DSL Network Issues (p. 346)
• How Should Loop Impairments Such as Loading Coils and DLCs Be Addressed? (p. 347)
• What Will Be the Network of Choice on the Service Side of the DSL Access Multiplexer (DSLAM)? (p. 347)
• How Are DSL Links to Be Tested, Repaired, and Managed? (p. 348)
• What Should Be Done with Non-DSL Telephone Company Solutions? (p. 348)
• How Should Premises Issues About Splitters and Inside Wiring Be Addressed? (p. 349)
• How Should Varying DSL Bit Rates Be Billed Over Time and Among Customers? (p. 349)
• DSL Equipment Issues (p. 350)
• How Should Different DSL Line Coding Methods and Technologies Relate to Each Other? (p. 350)
• How Should DSL Premises Equipment Be Packaged to Ensure Customer Acceptance? (p. 351)
• What Types of Customer Equipment Interfaces Should DSL Devices Support? (p. 351)
• What Is the Best ATM or IP Interface for DSL Access Multiplexers (DSLAM)? (p. 352)
• Where Are the End-to-end, Turnkey DSL Systems? (p. 352)
• How Much Will All This Equipment Cost? (p. 352)
• What About Compatibility Issues? (p. 353)
• DSL Service Issues (p. 353)
• How Should DSL Services Be Priced to Maximize Use and Minimize Payback Periods? (p. 354)
• What Marketing Mechanisms Exist to Identify DSL Target Customers? (p. 355)
• Will DSL Services Simply Shift Bottlenecks Elsewhere in the Network? (p. 355)
• What Impact Will DSL Services Have on Other Provider Revenue Streams? (p. 355)
• Will Slow Deployments Mimic the Glacial ISDN Deployment Pace? (p. 356)
• Can I Change My Voice Provider and Keep My DSL Service Provider? (p. 356)
• Active and Passive NIDs (p. 356)
• Passive NID/Active CPE Issues (p. 358)
• Active NID/Passive CPE Issues (p. 359)
• 16 International Issues and DSL (p. 361)
• Local Loops Outside the United States (p. 363)
• International Wire Gauges (p. 364)
• Kilofeet to Kilometers (p. 365)
• Some Sample Global Local Loops (p. 366)
• Global Local Loops in General (p. 367)
• Infrastructures Around the World (p. 368)
• DSL and International Conditions (p. 369)
• DSL in Europe (p. 370)
• DSL in Asia/Pacific (p. 371)
• A Case Studies in DSL Installation (p. 373)
• B Sources of Standards and Specification Information (p. 381)
• Index (p. 393)