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ADSL and DSL Technologies : Standards & Protocols S. - Walter J. Goralski

ADSL and DSL Technologies

Standards & Protocols S.

Paperback Published: 29th October 2001
ISBN: 9780072132045
Number Of Pages: 452

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This comprehensive guide shows telecommunication engineers and DSL vendors how to quickly get a handle on ADSL and DSL technology without having to wade through technical documentation. In addition, it provides detailed information on installation of ADSL and DSL technology.

Acknowledgmentsp. xi
Prefacep. xiii
Introductionp. xvii
Welcome to the Information Superhighwayp. 1
The Internet and the Webp. 8
The Web Explodesp. 15
The Rise of the Internet Service Providersp. 17
Woe to the ISPsp. 21
The Public Switched Telephone Networkp. 25
A Network Is a Network Is ap. 26
The PSTN: The First Network for the Peoplep. 31
The End of the Bell Systemp. 37
The Architecture of the PSTNp. 40
The Pieces of the PSTNp. 44
Loops and Trunksp. 47
The Analog PSTNp. 48
Digitizing the PSTNp. 51
Multiplexing and Trunksp. 53
T-carrierp. 56
Integrated Services Digital Network (ISDN)p. 57
Analog Local Loopsp. 59
Why Loading?p. 59
Loading and Attenuationp. 60
Other Analog Local Loop Featuresp. 62
ISDN, Loops, and DAMLp. 64
Another Arrangement: CSAp. 65
The Trouble with Analog Local Loopsp. 68
Real World Local Loopsp. 68
Trunk Groups and the Law of Large Numbersp. 70
Increasing Loads and Trunksp. 72
Packet Switching and Circuit Switchingp. 75
Circuit Use and Packet Usep. 79
The Local Exchange Switch and the Internet Routerp. 81
Internet Service Providers (ISPs)p. 86
The "Packets on Circuits" Loadp. 87
Flat Rate Servicep. 89
Typical Residential Network Usagep. 89
Current ISP Traffic Woesp. 90
Switch Blockingp. 91
Is This the Network Needed Today?p. 91
The Trouble with Loops Todayp. 92
Possible Solutionsp. 95
Overview of 56K Modemsp. 97
Overview of Cable Modemsp. 101
Pros and Cons of Cable Modemsp. 106
Multichannel, Multipoint Distribution Systemp. 108
Pros and Cons of MMDSp. 112
Local Multipoint Distribution Service (LMDS)p. 113
Pros and Cons of LMDSp. 117
Overview of Satellite Systemsp. 118
Pros and Cons of Satellite Systemsp. 119
Bluetoothp. 120
Switch-Based Solutionsp. 121
ADSL and Other Technologiesp. 122
Introducing the DSL Familyp. 125
Cooper-Based Solutionsp. 126
The DSL Family in Detailp. 129
Another View of the DSL Familyp. 132
HDSL and T1p. 135
HDSL as "Repeaterless T1/E1"p. 136
2B1Q and ISDNp. 139
SDSLp. 141
Enter Asymmetric DSL (ADSL)p. 143
Rate-Adaptive DSL (RADSL)p. 145
G.lite: ADSL/RADSL Without the Splitterp. 146
Very High Data Rate DSL: Newer and Better?p. 148
IDSL and the Integrated Services Digital Network (ISDN)p. 150
DSL Advantagesp. 151
Cost Comparison of Various Broadband and Other Technologiesp. 152
HDSL and HDSL2p. 155
The Trouble with T1/E1p. 156
HDSL Is Bornp. 157
HDSL for T1p. 157
HDSL for E1p. 159
The HDSL Frame for T1p. 160
The HDSL Frame for E1p. 162
Benefits of HDSLp. 164
Uses of HDSLp. 165
HDSL for ISDNp. 167
The Downward Spiralp. 168
HDSL Limitationsp. 169
Beyond HDSL: HDSL2p. 170
The HDSL2 in Detailp. 171
Final Thoughts on HDSL2p. 173
HDSL2 Power Controlp. 174
The Asymmetric Digital Subscriber Line (ADSL) Architecturep. 177
Current ADSL Architecturesp. 180
An ADSL Networkp. 183
ADSL and Line Code Standardsp. 186
Echo Cancellation and DSLsp. 187
CAP and DMTp. 188
How CAP Worksp. 189
CAP/QAM Operationp. 189
Quadrature Amplitude Modulation (QAM)p. 190
DMT for ADSLp. 193
DMT Binsp. 196
Discrete Multitone (DMT) Operationp. 198
The ADSL Interface and Systemp. 201
ADSL Unidirectional Downstream Transportp. 202
ADSL Bidirectional (Duplex) Transportp. 209
Combining the Optionsp. 210
ADSL Overheadp. 211
The ADSL Superframep. 213
The ADSL Frame Structurep. 217
Inside the ADSL Framesp. 221
ADSL Possibilitiesp. 227
ATM End-to-Endp. 230
Ethernet to the DSLAMp. 236
PPP With or Without VPNsp. 239
Pure Routingp. 241
The Real Worldp. 242
ADSL in Actionp. 245
ADSL Target Service Speeds: Videop. 246
ADSL Target Service Speeds: Miscellaneousp. 249
ADSL Target Speeds and Distancesp. 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 Issuesp. 258
ADSL Premises Networksp. 261
10Base-T Ethernet LANp. 261
Wireless (IEEE 802.11b)p. 263
Bluetoothp. 265
ADSL Security Issuesp. 266
Voice over DSLp. 269
The Other Side of ADSL: The DSLAMp. 275
DSLAM Conceptual Architecturep. 276
The "Typical" DSLAMp. 280
The Expanding Role of the DSLAMp. 282
Do-It-Yourself ADSLp. 287
DSLAMs and SONET/SDH Ringsp. 292
DSLAM Configuration Possibilitiesp. 294
DLC and DSLAMsp. 299
DSL Migration Scenariosp. 307
DSL Migration Architecturep. 309
Migration Urgencies and Prioritiesp. 311
From Analog Modem to ADSLp. 312
From DLC to ADSLp. 314
From ISDN to ADSLp. 315
Inside ADSL: Using IP for "Full Services"p. 317
Use ATM for "Full Service" ADSL?p. 318
From ADSL to NGDLCp. 319
From ADSL to VDSLp. 321
Very High Data Rate Digital Subscriber Line (VDSL)p. 323
VDSL and ATMp. 327
VDSL/ADSL Downstream Speeds and Distancesp. 329
VDSL in Detailp. 330
Current Status of VDSL Specificationsp. 332
ANSIp. 332
ETSIp. 333
ITU-Tp. 333
VDSL Service Characteristicsp. 334
Migration to VDSLp. 335
VDSL Servicesp. 337
VDSL Deploymentp. 339
VDSL Issuesp. 341
A VDSL Service Samplep. 343
Outstanding DSL Issuesp. 345
DSL Network Issuesp. 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 Issuesp. 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 Issuesp. 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 NIDsp. 356
Passive NID/Active CPE Issuesp. 358
Active NID/Passive CPE Issuesp. 359
International Issues and DSLp. 361
Local Loops Outside the United Statesp. 363
International Wire Gaugesp. 364
Kilofeet to Kilometersp. 365
Some Sample Global Local Loopsp. 366
Global Local Loops in Generalp. 367
Infrastructures Around the Worldp. 368
DSL and International Conditionsp. 369
DSL in Europep. 370
DSL in Asia/Pacificp. 371
Case Studies in DSL Installationp. 373
Sources of Standards and Specification Informationp. 381
Indexp. 393
Table of Contents provided by Syndetics. All Rights Reserved.

ISBN: 9780072132045
ISBN-10: 0072132043
Series: Standards & Protocols S.
Audience: General
Format: Paperback
Language: English
Number Of Pages: 452
Published: 29th October 2001
Publisher: McGraw-Hill Education - Europe
Country of Publication: US
Dimensions (cm): 22.86 x 19.05  x 3.18
Weight (kg): 0.91
Edition Number: 2
Edition Type: Revised