Broadband

Business Services, Technologies, and Strategic Impact

By: David J. Wright

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Hardcover | 31 August 1993

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Hardcover
500 Pages

Dimensions(cm)
22.23 x 15.88 x 2.54

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Broadband technology is ushering the telecom industry through a unique period of change with profound business implications for suppliers and users. This single source describes the four major broadband technologies that are shaping telecommunications networks: frame relay; optical fiber (including SONET); distributed queue dual bus (DQDB); and asynchronous transfer mode (ATM).

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Non-Fiction Computing & I.T.Computer Networking & Communications Engineering & Technology Electronics & Communications Engineering Communications Engineering & Telecommunications Industry & Industrial Studies Media, Entertainment, Information & Communication Industries Postal & Telecommunications Industry Technology in General

Preface	p. xvii
Introduction	p. 1
Industry Trends	p. 1
Book Contents and Readership	p. 2
Broadband Technologies	p. 5
Frame Relay	p. 7
Objectives	p. 7
Applications	p. 8
Network Interface	p. 10
Connection Orientation	p. 10
Virtual Circuits	p. 12
Committed Information Rate (CIR)	p. 13
Discard Eligibility	p. 15
Error Control	p. 17
Frame Switching	p. 19
Frame Structure	p. 19
Core Processing	p. 19
Error Detection	p. 22
Congestion Control	p. 22
Implicit Congestion Control	p. 23
New Traffic Management	p. 23
Explicit Congestion Control	p. 23
Business Implications of Frame Relay	p. 25
User Cost Reduction	p. 25
Efficient Bandwidth Utilization	p. 25
Low End-To-End Delay	p. 26
Traffic Analysis	p. 27
Improvement over X.25	p. 27
ATM Evolution	p. 27
Select Bibliography	p. 27
Fiber-Optic Communications and SONET	p. 29
Key Properties Of Optical Fiber	p. 29
Low Absorbtion	p. 29
Low Dispersion	p. 30
Optical Transmitters And Receivers	p. 32
Transmitters	p. 33
Receivers	p. 34
Fiber Structure	p. 35
Geometrical Optics	p. 36
Wave Optics	p. 37
Multimode Step-Index Fiber	p. 38
Multimode Graded-Index Fiber	p. 38
Monomode Fiber	p. 38
The SONET Standard	p. 39
SONET Bandwidths	p. 39
SONET Frames	p. 40
SONET Synchronization	p. 43
SONET Multiplexing	p. 47
SONET Virtual Tributaries	p. 48
SONET Rings	p. 51
Electro-Optical Interfaces	p. 53
Location of Electro-Optical Interfaces in the Network	p. 53
Electro-Optical Interface Costs	p. 55
Installation	p. 56
Optical Connectors	p. 57
Splicing	p. 57
Optical Couplers	p. 58
Deployment	p. 58
Benefits Of Optical Fiber	p. 59
Commercial Impact	p. 62
Future Trends	p. 63
Optical Switching Technology	p. 63
Optical Networks Without Switches	p. 65
International Optical-Fiber Network	p. 66
Select Bibliography	p. 68
The DQDB Metropolitan Area Network	p. 69
Introduction	p. 69
Relationship of DQDB to Other Computer and Telecommunication Networks	p. 69
Transmission Systems	p. 71
Objectives of DQDB	p. 72
Bandwidth Sharing	p. 72
Georgraphical Coverage	p. 72
Multimedia Capability	p. 72
Priority Mechanism	p. 73
Standardization	p. 73
Connection Orientation	p. 74
Position Within Open Systems Interconnection	p. 75
DQDB Self-Healing Architecture	p. 76
Self-Healing for Node Failure	p. 76
Self-Healing for Bus Failure	p. 77
DQDB Compared to other MACs	p. 80
Fairness	p. 81
Efficient Scheduling	p. 82
Cost of Bandwidth	p. 83
Summary	p. 83
Distributed Queuing Medium Access Control	p. 83
Access Control Field (ACF)	p. 85
Segment Header	p. 87
Queued Arbit-rated Access Without Priority	p. 88
Queued Arbit-rated Access With Priority	p. 97
Prearbit-rated Access	p. 100
DQDB Performance	p. 109
Security	p. 111
Security from Outsiders	p. 111
Public DQDB Network	p. 111
Applications	p. 112
Corporate MAN	p. 112
Public Access Architecture	p. 114
Virtual Private Networks	p. 116
Central Office MAN	p. 117
DQDB Switch	p. 118
Conclusion	p. 119
Select Bibliography	p. 119
Asynchronous Transfer Mode and Broadband ISDN	p. 121
Objectives	p. 121
Provide Low and High-Bandwidth Services	p. 121
Provide High-Bandwidth Transport	p. 122
Provide a Single Network for all Services	p. 122
Provide LAN/WAN Integration	p. 122
Free Users of Bandwidth Granularity	p. 122
Allow Dynamically Changing Bandwidth	p. 123
To Be Future-Proof	p. 123
Cell Length	p. 123
Fixed versus Variable Length	p. 124
Choice of Cell Length	p. 124
B-ISDN Service Classes	p. 128
Adaptation of ATM to Requirements of Different Services	p. 130
AAL Type 0	p. 132
AAL Type 1: Service Class A	p. 132
AAL Type 2: Service Class B	p. 133
AAL Type 3/4: Service Classes A, C, and D	p. 135
AAL Type 5: Service Class C	p. 137
Benefits of the Adaptation Layer to the User and Network Operator	p. 139
ATM Layer	p. 140
Connection Orientation	p. 142
Virtual Paths (VPs) and Virtual Channels (VCs)	p. 143
Virtual Networks	p. 146
ATM Header Functions	p. 148
ATM Switching	p. 151
Local Area Functionality	p. 151
Wide Area Functionality	p. 157
ATM Products	p. 161
ATM Switch Designs	p. 162
Transmission Systems For ATM	p. 166
ATM on SONET	p. 167
ATM on DS3 and DS1	p. 170
ATM Applications	p. 170
User Applications	p. 172
Network Applications	p. 174
ATM Compared to SONET	p. 174
ATM Call Setup	p. 178
Network Control	p. 180
Admission Control	p. 180
Traffic Enforcement	p. 181
Reactive Control	p. 182
Advantages	p. 183
Select Bibliography	p. 185
Business Services	p. 191
Switched Multimegabit Data Service (SMDS)	p. 193
Objectives	p. 193
Access to an SMDS Network	p. 194
Connection Orientation	p. 194
Access Classes	p. 195
Sustained Information Rate	p. 196
Access Security	p. 198
Quality of Service Requirements	p. 200
Group Addressing	p. 200
Technology Support for SMDS	p. 204
Network Interfaces	p. 206
SMDS Access Based on DQDB	p. 207
SMDS Access Based Upon ATM	p. 213
Relation of Alternative Technologies to SMDS	p. 214
Tariffs and Billing	p. 215
Network Management	p. 216
Simple Network Management Protocol (SNMP)	p. 216
Congestion Control	p. 217
Applications	p. 218
Summary and Comparison with Frame Relay	p. 219
Broad Range of Destinations without Call Setup	p. 219
Low End-to-End Delay	p. 219
Low Error Rate	p. 220
Transport of Bursty Traffic	p. 220
Security and Closed User Groups	p. 220
Shared Access Lines	p. 220
Range of Bandwidths Available	p. 221
ATM Evolution	p. 221
Customer Traffic Analysis	p. 221
Summary	p. 222
Select Bibliography	p. 222
Business Services	p. 225
Introduction	p. 225
Service and Transport Options	p. 226
Services	p. 226
Transport	p. 227
Summary	p. 228
CCITT Classification	p. 229
Business Profile by CCITT Classification	p. 231
Interactive Conversational Services	p. 231
Interactive Messaging Services	p. 231
Interactive Retrieval Services	p. 232
Distribution Services with No User Presentation Control	p. 233
Distribution Services with User Presentation Control	p. 233
Business Profile by Communications Media	p. 234
Audio	p. 234
Data	p. 235
Fax	p. 237
Still Image	p. 240
Motion Video	p. 249
Summary	p. 264
Motion Video Services	p. 265
Still-Image Services	p. 265
Fax Services	p. 266
Audio Services	p. 266
Data Services	p. 266
Select Bibliography	p. 267
Service Descriptions	p. 269
User Requirements	p. 269
Audio	p. 272
CCITT Classification	p. 272
Bandwidth and Burstiness	p. 273
Performance Criteria	p. 275
Market	p. 277
Data	p. 277
CCITT Classification	p. 277
Bandwidth and Burstiness	p. 278
Performance Criteria	p. 279
Market	p. 281
Fax	p. 281
CCITT Classification	p. 281
Bandwidth and Burstiness	p. 282
Performance Criteria	p. 283
Market	p. 284
Still Image	p. 284
CCITT Classification	p. 284
Bandwidth and Burstiness	p. 285
Performance Criteria	p. 288
Market	p. 289
Motion Video	p. 289
CCITT Classification	p. 289
Bandwidth and Burstiness	p. 290
Performance Criteria	p. 295
Market	p. 297
Broadband Transport Options	p. 297
Audio	p. 297
Data	p. 298
Fax	p. 299
Still Image	p. 299
Motion Video	p. 300
Integrated Services	p. 301
Summary	p. 301
Audio	p. 302
Data	p. 302
Fax	p. 302
Image	p. 305
Video	p. 305
Select Bibliography	p. 306
Multimedia	p. 309
Characteristics	p. 309
Four Key Ingredients	p. 309
Enabling Technologies	p. 310
CCITT Classification	p. 311
Business Advantages of Multimedia Communications	p. 313
Real Time Multimedia Communications	p. 314
Shared-Screen Audio/Data Systems	p. 314
Shared-Space Audio/Image Systems	p. 315
Shared-Space General Multimedia Systems	p. 319
Video Cruising	p. 319
Telepresence	p. 321
Multimedia Document Communications	p. 321
Multimedia Documents	p. 322
Applications in Education	p. 326
Applications in Technical Training and Computer Assisted Maintenance	p. 329
Applications in Information Retrieval	p. 331
Applications in Messaging	p. 333
Standards	p. 333
Telecommunication Requirements	p. 335
Degree of Distribution	p. 335
Media Separation	p. 337
Media Synchronization	p. 338
Summary	p. 339
Select Bibliography	p. 339
Strategic Impact	p. 343
Strategic Impact of Corporate Telecommunications Systems	p. 345
Strategic Issues	p. 345
The Telecommunications Environment	p. 347
Telecommunications Solutions	p. 350
Narrowband Telecommunications Systems	p. 350
Broadband Telecommunications Systems	p. 354
Conclusions	p. 357
Select Bibliography	p. 358
The Insurance Industry	p. 359
Importance of Telecommunications in Insurance	p. 359
Regulatory Environment	p. 360
European Regulation	p. 361
North American Regulation	p. 362
Insurance Industry Profile	p. 362
Life and Health	p. 364
Property and Casualty	p. 367
Broadband Impact and Strategic Benefit	p. 370
A Typical Insurance Company Network	p. 370
Impact and Strategic Benefit of Broadband Applications	p. 370
Case Examples	p. 378
Travelers Link	p. 378
Shared Health Network Services (SHNS)	p. 379
Lloyds of London	p. 379
Conclusions	p. 379
Select Bibliography	p. 381
The Publishing Industry	p. 385
An Industry Suited to Telecommunications	p. 385
Digital Technology in the Publishing Industry	p. 386
Geographical Distribution of Publishing-Related Organizations	p. 386
Focus on Color	p. 387
The Color Publishing Process	p. 387
Prepress Operations	p. 388
Scanners	p. 388
Press Proofs and Off-Press Proofs	p. 391
Imposition and Stripping	p. 391
Evolution of Technology	p. 391
Impact and Strategic Benefits of Telecommunications	p. 394
Telecommunications in the Present Mode of Prepress Operation	p. 394
New Modes of Prepress Operations Offered by Telecommunications	p. 397
Telecommunications Bandwidth Required	p. 399
Data Volumes	p. 399
Bandwidth Requirement	p. 400
Telecommunications Options Available	p. 401
Case Example: Business Week	p. 402
Summary	p. 404
Select Bibliography	p. 405
Health Care	p. 407
The Health Care Industry Profile	p. 407
Industry Trends	p. 408
Imaging Modalities	p. 409
Integrating the Modalities	p. 410
X-Ray Images	p. 410
Computed Tomography (CT)	p. 410
Digital Subtraction Angiography (DSA)	p. 411
Fluoroscopy	p. 412
Magnetic Resonance (MR)	p. 412
Ultrasound (U/S)	p. 413
Nuclear Medicine (NM)	p. 413
Thermography	p. 414
Medical Picture Archiving And Communication Systems	p. 415
A Large Medical Center Picture Archiving and Communication System	p. 415
Diagnostic Accuracy	p. 420
System Description	p. 424
PACS/Film Cost Benefit Analysis	p. 430
Benefits of Medical PACSs	p. 430
Cost Analysis	p. 432
Cost Benefit Results	p. 434
Case Examples	p. 434
Hospital of the University of Pennsylvania	p. 435
The University of Washington Hospital	p. 435
Greater Victoria Hospital Society	p. 435
University of North Carolina	p. 436
U.S. Army and Air Force	p. 437
Impact And Strategic Benefit Of Broadband	p. 438
Impact of Broadband	p. 438
Strategic Analysis	p. 438
Transport Options	p. 439
Medical Imaging	p. 439
Other Broadband Applications	p. 441
Summary	p. 441
Select Bibliography	p. 444
Glossary	p. 447
Acronyms	p. 461
About the Author	p. 465
Index	p. 467
Table of Contents provided by Syndetics. All Rights Reserved.

Broadband

Business Services, Technologies, and Strategic Impact

At a Glance

Hardcover

Shipping

How to return your order

Defective items

You Can Find This Book In

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