Introduction | p. xxv |
Acknowledgments | p. xxxi |
Acronyms and Abbreviations | p. xxxiii |
Overview of Communications Networks | |
Communication Basics | p. 3 |
Introduction | p. 4 |
What Is a Communications Network? | p. 6 |
Telecommunications Network | p. 9 |
Computer Communications Network | p. 13 |
Video Networks | p. 30 |
What Is Broadband? | p. 33 |
The Need for Broadband | p. 33 |
Overview of Broadband Technologies | p. 36 |
Summary | p. 37 |
Evolution toward Broadband | p. 39 |
Overview | p. 40 |
Drivers for Broadband | p. 40 |
Residential and Business Broadband Service | |
Summary | p. 57 |
The Basics | |
FDDI and DQDB | p. 61 |
Overview | p. 62 |
Fiber Distributed Data Interface (FDDI) | p. 62 |
Distributed Queue Dual Bus | p. 87 |
Summary | p. 93 |
Frame Relay | p. 95 |
Overview | p. 96 |
Frame-Relay Standards | p. 96 |
Frame-Relay Field Format | p. 98 |
Frame-Relay Architecture | p. 101 |
How Does Frame Relay Work? | p. 102 |
Frame-Relay Services and Features | p. 105 |
Frame-Relay Applications | p. 108 |
Summary | p. 112 |
Advanced Frame Relay | p. 113 |
Overview | p. 114 |
Service Description | p. 114 |
Core Aspects | p. 120 |
Access Signaling | p. 122 |
Network-to-Network Interface | p. 124 |
Summary | p. 126 |
Switched Multimegabit Data Service | p. 127 |
SMDS Overview | p. 128 |
SMDS Standards | p. 128 |
SMDS Architecture | p. 129 |
The SMDS Protocol | p. 131 |
How Does SMDS Work? | p. 136 |
SMDS Features and Services | p. 139 |
Summary | p. 142 |
ATM | p. 145 |
ATM Overview | p. 146 |
The ATM Principle | p. 147 |
ATM Standards | p. 149 |
ATM Protocol | p. 153 |
How Does ATM Work? | p. 158 |
ATM Application Environment | p. 164 |
Summary | p. 175 |
SONET/SDH | p. 177 |
Overview | p. 178 |
Standards | p. 180 |
SONET/SDH Protocol | p. 182 |
Basic SONET Frame | p. 185 |
SONET Overhead Capabilities | p. 188 |
How Does SONET/SDH Work? | p. 193 |
Summary | p. 202 |
Broadband Access Technologies | p. 203 |
Overview | p. 204 |
Broadband Access Technologies | p. 204 |
Summary | p. 216 |
Broadband Architecture | |
BISDN Lower Layers | p. 221 |
Overview | p. 222 |
Broadband Protocol Reference Model | p. 224 |
Broadband Functional Architecture | p. 228 |
Physical Layer of BISDN Protocol | p. 235 |
ATM Layer of the BISDN Protocol | p. 242 |
ATM Adaptation Layer of BISDN Protocol | p. 250 |
Summary | p. 258 |
BISDN Higher Layers | p. 259 |
Overview | p. 260 |
Management Plane | p. 260 |
User Plane | p. 267 |
Control or Signaling Plane | p. 268 |
Summary | p. 283 |
Other Aspects of BISDN | p. 285 |
Overview | p. 286 |
Broadband Service Aspects | p. 286 |
Network Aspects | p. 295 |
User-Network Interface Aspects | p. 303 |
Summary | p. 306 |
Broadband Access Architecture | p. 309 |
Overview | p. 310 |
Broadband Access Architecture | p. 310 |
Summary | p. 322 |
Broadband Access, Switching, Transmission, and Intelligent Network | |
ATM-Based Broadband Switching | p. 327 |
Overview | p. 328 |
Switching Technologies Background | p. 328 |
ATM-Based Switching | p. 330 |
ATM Switching Principle | p. 335 |
ATM Switching Requirements | p. 336 |
ATM Switch Building Blocks | p. 339 |
ATM Switching Matrix or Network | p. 341 |
ATM Cell Processing in a Switch | p. 345 |
Summary | p. 347 |
Broadband Transmission Network | p. 349 |
Overview | p. 350 |
Broadband Transmission Functional Components | p. 351 |
Broadband Transmission Functions | p. 356 |
Broadband Reference Network Architecture | p. 361 |
Summary | p. 365 |
Broadband Intelligent Network | p. 367 |
Overview | p. 368 |
Current IN Architecture | p. 368 |
ATM-Based Broadband IN Architecture | p. 371 |
Comparison of ATM-Based Broadband IN Architecture | p. 375 |
Summary | p. 376 |
ATM Environments | |
ATM in Local Area Network | p. 379 |
Overview | p. 380 |
LAN Requirements | p. 380 |
Technology Options for LANs | p. 381 |
LAN Environment | p. 384 |
Architecture Alternatives | p. 388 |
Transition to ATM-Based LAN | p. 391 |
Applications Driving ATM in LAN | p. 395 |
Summary | p. 397 |
ATM in Wide Area Networks | p. 399 |
Overview | p. 400 |
ATM-Based Hubs | p. 400 |
WAN Technology Requirements | p. 404 |
Technology Option for a WAN Network | p. 408 |
Transition to ATM-Based WAN | p. 410 |
Summary | p. 414 |
ATM in Public Networks | p. 415 |
Overview | p. 416 |
Public Network Requirements | p. 417 |
ATM in Local Access Networks | p. 419 |
ATM in Backbone Networks | p. 421 |
Public Network Trends | p. 423 |
Transition to ATM-Based Public Networks | p. 426 |
Summary | p. 433 |
Broadband Network Design | |
Broadband Access Network Design | p. 437 |
Overview | p. 438 |
Broadband Access Network Definition | p. 439 |
Network Design Requirements for Broadband Access | p. 440 |
Broadband Access Network Design | p. 444 |
Broadband Access Network Topologies | p. 455 |
Summary | p. 458 |
Broadband Backbone Network Design | p. 459 |
Overview | p. 460 |
Broadband Backbone Network Design Requirements | p. 460 |
Broadband Backbone Network Design | p. 465 |
Broadband Backbone Network Topologies | p. 474 |
Summary | p. 476 |
Miscellaneous | |
Broadband Around the World | p. 479 |
Overview | p. 480 |
ATM/Broadband Trials in North America | p. 481 |
ATM/Broadband Trials in Europe | p. 488 |
ATM/Broadband Trials in Asia | p. 495 |
Intercontinental ATM/Broadband Trials | p. 497 |
Broadband Access Technology Trials | p. 498 |
Summary | p. 499 |
Telecommunications Standards | p. 507 |
Overview | p. 508 |
Standards-Making Process | p. 508 |
Standards Architecture | p. 511 |
Standards Organizations Worldwide | p. 513 |
ITU-T Related BISDN Standards | p. 522 |
Summary | p. 523 |
Broadband Equipment Vendors | p. 525 |
Overview | p. 526 |
Reference ATM Network Configuration | p. 526 |
ATM Equipment Vendors for LAN Products | p. 528 |
ATM Hub or Campus Backbone | p. 530 |
ATM Equipment Vendors in WAN | p. 531 |
ATM Vendors' Strategy in Public Networks | p. 532 |
Equipment Vendors in ATM/Broadband Testing | p. 532 |
Summary | p. 532 |
The Future of Broadband Communications | p. 543 |
Overview | p. 544 |
B-ISDN and ATM-Based Broadband Networks | p. 544 |
Challenges in Deploying the Broadband Network | p. 546 |
Future Broadband Technology Trends | p. 550 |
Areas of Broadband Not Covered | p. 553 |
Final Thoughts | p. 554 |
Telecommunications Operating Companies | p. 555 |
Regulators | p. 563 |
Telecommunications Journals and Magazines | p. 565 |
Bibliography | p. 577 |
Index | p. 595 |
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