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Monday, April 12, 2010

Data Communications and Computer Networks for Computer Scientists and Engineers



Contents
Preface xi
Acknowledgements xix
1 Introduction 1
1.1 The development of data communications 2
1.2 Types and sources of data 4
1.3 Communications models 6
1.4 Standards 7
1.5 Open Systems Interconnection 9
1.6 OSI Reference Model 13
1.7 Institute of Electrical and Electronic Engineers
802 standards 15
1.8 OSI Reference Model and other standards 16
Exercises 18
2 Data communications 19
2.1 Data transmission techniques 19
2.2 Network topology 29
2.3 Transmission media and characteristics 32
2.4 Baseband signalling 37
Exercises 48
3 Information theory 50
3.1 Information source 51
3.2 Information measure 52
3.3 Entropy 55
3.4 Source codes 57
3.5 Data compression 63
Exercises 82
4 Error control 83
4.1 Transmission impairments 83
4.2 Forward error control 85
4.3 Linear block codes 85
4.4 Convolutional codes 100
4.5 Feedback error control 106
Exercises 108
5 Data link control 110
5.1 Link throughput 110
5.2 Flow control 116
5.3 Link management 121
5.4 High-level Data Link Control (HDLC) protocol 122
5.5 Point-to-Point Protocol 129
Exercises 130
6 Modems 132
6.1 Modulation 133
6.2 Effect of noise upon digitally modulated signals 146
6.3 Equalizers 148
6.4 Channel capacity 149
6.5 Generalized modem 150
6.6 ITU-T V standards 151
6.7 Other types of modem 157
Exercises 159
7 Access networks 161
7.1 Integrated Services Digital Network 161
7.2 Broadband ISDN 170
7.3 xDSL 175
Exercises 181
8 Transport networks 182
8.1 Time division multiplexing 183
8.2 Pulse code modulation 185
8.3 Plesiochronous Digital Hierarchy 186
8.4 Synchronous Digital Hierarchy 188
Exercises 198
9 Introduction to local area networks 199
9.1 Medium Access Control 200
9.2 LAN performance 206
Exercises 215
10 LAN standards 217
10.1 IEEE 802.2 217
10.2 IEEE 802.3 CSMA/CD 219
10.3 IEEE 802.4 token bus 224
10.4 IEEE 802.5 token ring 225
10.5 Wireless LANs 228
Exercises 238
11 High-speed LANs and metropolitan area networks 240
11.1 Fibre Distributed Data Interface 240
11.2 IEEE 802.3u 244
11.3 IEEE 802.3z 246
11.4 IEEE 802.6 MAN 247
11.5 IEEE 802.17 Resilient Packet Rings 251
Exercises 251
12 Packet-switched and frame relay networks 252
12.1 Evolution of switched communications 252
12.2 X.25 packet-switched networks 255
12.3 Frame relay networks 262
12.4 Frame relay traffic management 265
Exercises 270
13 Asynchronous transfer mode 271
13.1 Asynchronous and synchronous transfer 272
13.2 ATM protocol model 272
13.3 ATM adaptation 275
13.4 Virtual connections 277
13.5 ATM service categories 279
13.6 Traffic management 281
13.7 ATM switches 288
13.8 ATM standards 290
Exercises 290
14 Internetworking 293
14.1 Internetworking requirements 293
14.2 Internetworking techniques 296
14.3 The Internet 304
14.4 Security 305
Exercises 306
15 Internet protocols 308
15.1 The TCP/IP suite 309
15.2 Internet Protocol 310
15.3 Routing protocols 318
15.4 Transport layer protocols 322
15.5 Virtual private networks 325
15.6 Real-Time Transport Protocol and Voice over IP 326
15.7 Multi Protocol Label Switching (MPLS) 329
15.8 Packet over SDH/SONET 331
15.9 IP security 332
Exercises 334
16 Network management 337
16.1 Fault management 337
16.2 Configuration management 340
16.3 Accounting management 340
16.4 Performance management 340
16.5 Integrated management systems 342
16.6 Network management standards 343
16.7 Practical network management systems 346
Appendices
1 Encryption 351
2 Line codes 361
3 Applications of queuing theory 376
Glossary 387
Bibliography 399
Index 401

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