局域网与城域网(第6版英文版)/国外计算机科学教材系列 下载 pdf 百度网盘 epub 免费 2025 电子书 mobi 在线

这本英文原版教材对局域网/城域网技术进行了全面的探讨，既强调了基本原理，也注重在设计局域网/城域网时性能的重要性。本书还涉及了各种高速和无线局域网、与QoS相关的技术以及网络之间的互联和广域网。全书包括四个部分。部分提供必要的技术背景，内容包括对数据通信和网络中的一些论题的简要回顾以及对协议与TCP/IP协议栈的介绍。第二部分讨论局域网的一般性问题，内容包括局域网实现过程中常用的拓扑结构和传输介质、局域网协议体系结构以及LLC的详细内容。第三部分是本书的重点，主要介绍五种相关类型的局域网，内容包括以太网、令牌环网、光纤信道局域网与无线局域网以及异步传输模式（ATM）局域网。第四部分讨论有关局域网设计的一些问题，包括用网桥进行局域网互联、网际互联、网络管理及性能考虑等问题。

本书适合高等院校电子、计算机、通信类专业作为双语教学的教材，也适应专业技术人员参考。

1.1 THE NEED FOR LOCAL NETWORKS 2

1.2 LANs, MANs, AND WANs 3

1.2.1 Wide Area Network 3

1.2.2 Local Area Network 4

1.2.3 Metropolitan Area Networks 6

1.3 APPLICATIONS OF LANS AND MANS 7

1.3.1 Personal Computer Local Networks 7

1.3.2 Backend Networks and Storage Area Networks 7

1.3.3 High-Speed Office Networks 10

1.3.4 Backbone Local Networks 10

1.3.5 Factory Local Networks 11

1.4 LOCAL NETWORK ARCHITECTURE 12

1.4.1 Information Distribution 12

1.4.2 Tiered LANs 12

1.4.3 Evolution Scenario 14

1.5 LANs, WANs, AND THE INTERNET 15

1.6 RECOMMENDED READING 16

1.7 PROBLEMS 17

APPENDIX 1A INTERNET AND WEB RESOURCES 17

Part 1 Technical Background 19

Chapter 2 Topics in Data Communications 20

2.1 DATA COMMUNICATIONS CONCEPTS 21

2.1.1 Analog and Digital Data Communications 21

2.1.2 Data Encoding Techniques 24

2.1.3 Multiple xing 30

2.2 TRANSMISSION MEDIA 32

2.2.1 Twisted Pair 32

2.2.2 Coaxial Cable 37

2.2.3 Optical Fiber 37

2.2.4 Unguided Media 39

2.3 DATA COMMUNICATIONS NETWORKS 40

2.3.1 Circuit Switching 41

2.3.2 Packet Switching 42

2.3.3 Multirate Circuit Switching 46

2.3.4 Frame Relay 47

2.3.5 Cell Relay 47

2.4 RECOMMENDED READING AND WEB SITES 48

2.5 PROBLEMS 48

APPENDIX 2A DECIBELS AND SIGNAL STRENGTH 49

Chapter 3 Protocols and the TCP/IP Suite 52

3.1 THE NEED FOR A PROTOCOL ARCHITECTURE 53

3.2 THE TCP/IP PROTOCOL ARCHITECTURE 54

3.2.1 The TCP/IP Layers 54

3.2.2 Operation of TCP and IP 55

3.2.3 TCP/IP Applications 57

3.3 The OSI Model 58

3.4 INTERNETWORKING 60

3.4.1 Routers 61

3.4.2 Internetworking Example 61

3.5 RECOMMENDED READING 62

3.6 PROBLEMS 63

APPENDIX 3A INTERNET PROTOCOL 66

APPENDIX 3B TRANSMISSION CONTROL PROTOCOL 68

APPENDIX 3C USER DATAGRAM PROTOCOL 71

Part 2 LAN/MAN Architecture 73

Chapter 4 Topologies and Transmission Media 74

4.1 TOPOLOGY OVERVIEW 75

4.1.1 Bus and Tree Topologies 75

4.1.2 Ring Topology 77

4.1.3 Star Topology 78

4.1.4 Choice of Topology 78

4.1.5 Choice of Transmission Medium 79

4.1.6 Relationship between Medium and Topology 80

4.2 BUS/TREE TOPOLOGY 81

4.2.1 Characteristics of the Bus/Tree Topology 81

4.2.2 Baseband Coaxial Cable 82

4.2.3 Broadband Coaxial Cable 84

4.3 RING TOPOLOGY 85

4.3.1 Description 85

4.3.2 Ring Benefits 87

4.3.3 Potential Ring Problems 87

4.3.4 Star-Ring Architecture 89

4.4 STAR TOPOLOGY 93

4.4.1 Twisted Pair and Optical Fiber Star LANs 93

4.4.2 Hubs and Switches 95

4.5 STRUCTURED CABLING SYSTEM 98

4.6 RECOMMENDED READING AND WEB SITES 101

4.7 PROBLEMS 101

APPENDIX 4A CHARACTERISTIC IMPEDANCE 104

Chapter 5 Protocol Architecture 107

5.1 PROTOCOL REFERENCE MODEL 108

5.2 LOGICAL LINK CONTROL 109

5.2.1 Principles 109

5.2.2 Addressing 111

5.3 MEDIUM ACCESS CONTROL 114

5.3.1 MAC Techniques 114

5.3.2 MAC Frame Format 116

5.4 BRIDGES AND ROUTERS 117

5.4.1 Bridges 118

5.4.2 Routers 120

5.4.3 Networking Devices 122

5.5 RECOMMENDED READING AND WEB SITE 123

APPENDIX 5A THE IEEE 802 STANDARDS 123

APPENDIX 5B THE CYCLIC REDUNDANCY CHECK 125

Chapter 6 Logical Link Control 127

6.1 LLC SERVICES 128

6.1.1 Unacknowledged Connectionless Service 128

6.1.2 Connection-Mode Service 128

6.1.3 Acknowledged Connectionless Service 131

6.2 LLC PROTOCOLS 132

6.2.1 LLC Types and Classes 132

6.2.2 LLC Protocol Data Units 132

6.2.3 Type 1 Operation 134

6.2.4 Type 2 Operation 135

6.2.5 Type 3 Operation 138

6.3 PROBLEMS 138

APPENDIX 6A SERVICE PRIMITIVES AND PARAMETERS 138

APPENDIX 6B FLOW CONTROl 140

APPENDIX 6C ERROR CONTROL 145

Part 3 LAN/MAN Systems 149

Chapter 7 Ethernet LANs 151

7.1 CSMA/CD 152

7.1.1 Precursors 152

7.1.2 Description of CSMA/CD 155

7.1.3 MAC Frame 157

7.1.4 MAC Compatibility Considerations 159

7.2 10-Mbps ETHERNET 160

7.2.1 Medium Access Unit 161

7.2.2 10BASE5 Medium Specification 161

7.2.3 10BASE2 Medium Specification 161

7.2.4 10BASE-T Medium Specification 162

7.2.5 10BASE-F Medium Specification 163

7.3 100-Mbps ETHERNET 164

7.3.1 100BASE-X 165

7.3.2 100BASE-T4 165

7.3.3 Configuration and Operation 166

7.3.4 Autonegotiation 170

7.4 GIGABIT ETHERNET 171

7.4.1 Protocol Architecture 172

7.4.2 Media Access Layer 172

7.4.3 Physical Layer 173

7.5 RECOMMENDED READING AND WEB SITES 174

7.6 PROBLEMS 174

APPENDIX 7A DIGITAL SIGNAL ENCODING FOR 100BASE-T 176

APPENDIX 7B DIGITAL SIGNAL ENCODING FOR GIGABIT ETHERNET 181

APPENDIX 7C SCRAMBLING 183

Chapter 8 Token Ring LANs and MANs 186

8.1 IEEE 802.5 TOKEN RING MEDIUM ACCESS CONTROL 187

8.1.1 MAC Protocol 187

8.1.2 MAC Frame 188

8.1.3 Token Ring Priority 191

8.1.4 Token Maintenance 194

8.1.5 Early Token Release 194

8.1.6 Dedicated Token Ring 194

8.2 IEEE 802.5 PHYSICAL LAYER 196

8.3 FDDI 196

8.3.1 MAC Frame 196

8.3.2 MAC Protocol 199

8.3.3 Capacity Allocation 200

8.3.4 FDDI Physical Layer Specification 205

8.4 RECOMMENDED READING AND WEB SITES 206

8.5 PROBLEMS 206

Chapter 9 Fibre Channel 208

9.1 FIBRE CHANNEL ARCHITECTURE 210

9.1.1 Fibre Channel Elements 210

9.1.2 Fibre Channel Protocol Architecture 212

9.2 PHYSICAL MEDIA AND TOPOLOGIES 215

9.2.1 Transmission Media 215

9.2.2 Topologies 217

9.3 FRAMING PROTOCOL 218

9.3.1 Classes of Service 218

9.3.2 Frames, Sequences, and Exchanges 221

9.3.3 Flow Control 224

9.3.4 Frame Format 227

9.4 RECOMMENDED READING AND WEB SITES 230

9.5 PROBLEMS 231

Chapter 10 Wireless LANs 232

10.1 OVERVIEW 233

10.1.1 Wireless LANs Applications 233

10.1.2 Wireless LAN Requirements 236

10.1.3 Wireless LAN Technology 238

10.2 INFRARED LANs 238

10.2.1 Strengths and Weaknesses 238

10.2.2 Transmission Techniques 239

10.3 SPREAD SPECTRUM LANs 241

10.3.1 Spread Spectrum Communications 241

10.3.2 Spread Spectrum LAN Design 245

10.4 NARROWBAND MICROWAVE LANs 247

10.4.1 Licensed Narrowband RF 247

10.4.2 Unlicensed Narrowband RF 248

10.5 WIRELESS LAN STANDARDS 248

10.5.1 IEEE 802.11 Services 249

10.5.2 Physical Medium Specification 250

10.5.3 Medium Access Control 250

10.6 RECOMMENDATION READING AND WEB SITES 255

10.7 PROBLEMS 255

Chapter 11 ATM LANs 257

11.1 ATM LAN Architecture 258

11.2 ATM LAN Emulation 263

11.2.1 Protocol Architecture 265

11.2.2 Emulated LANs 265

11.2.3 LAN Emulation Clients and Servers 266

11.2.4 LAN Emulation Scenario 268

11.2.5 LAN Emulation Frame Formats 270

11.3 Recommended Reading and Web Sites 272

11.4 Problems 273

Appendix 11A Asynchronous Transfer Mode 274

Appendix 11B ATM Adaptation Layer 283

Part 4 Design Issues 291

Chapter 12 Bridges 292

12.1 BRIDGE OPERATION 293

12.1.1 Functions of a Bridge 293

12.1.2 Bridge Protocol Architecture 293

12.2 ROUTING WITH BRIDGES 295

12.3 SPANNING TREE ROUTING 299

12.3.1 Basic Operation 299

12.3.2 Frame Forwarding 303

12.3.3 Address Learning 304

12.3.4 Spanning Tree Algorithm 305

12.3.5 Bridge Protocol Data Units 310

12.4 SOURCE ROUTING 312

12.4.1 Basic Operation 312

12.4.2 Routing Directives and Addressing Modes 313

12.4.3 Route Discovery and Selection 316

12.4.4 Frame Format 317

12.4.5 Spanning Tree versus Source Routing 319

12.4.6 Source Routing Transparent 320

12.5 TRAFFIC CLASSES AND QUALITY OF SERVICE 321

12.5.1 The Use of Traffic Classes 322

12.5.2 Mapping of User Priority to Traffic Class 323

12.5.3 Internet Traffic Quality of Service 325

12.6 RECOMMENDED READING 326

12.7 PROBLEMS 326

Chapter 13 Internetworking and Routers 328

13.1 Internetworking 329

13.1.1 Protocol Architecture 329

13.1.2 Design Issues 331

13.2 Routing 335

13.2.1 Autonomous Systems 336

13.2.2 Border Gateway Protocol 337

13.2.3 Open Shortest Path First (OSPF) Protocol 342

13.3 Recommended Reading 348

13.4 Problems 348

Chapter 14 Network Management 350

14.1 NETWORK MANAGEMENT REQUIREMENTS 351

14.1.1 Fault Management 351

14.1.2 Accounting Management 353

14.1.3 Configuration and Name Management 353

14.1.4 Performance Management 354

14.1.5 Security Management 355

14.2 NETWORK MANAGEMENT SYSTEMS 355

14.3 SIMPLE NETWORK MANAGEMENT PROTOCOL (SNMP) 357

14.3.1 Basic Concepts 357

14.3.2 Protocol Specification 361

14.3.3 SNMPv2 364

14.3.4 SNMPv3 369

14.4 LAN-SPECIFIC NETWORK MANAGEMENT 370

14.4.1 The Special Importance of LAN Management 370

14.4.2 LAN Network Control Center 371

14.5 RECOMMENDED READING AND WEB SITE 373

14.6 PROBLEM 374

Chapter 15 LAN Performance 375

15.1 Performance Considerations 376

15.1.1 Measures of Performance 376

15.1.2 Effect of Propagation Delay and Transmission Rate 378

15.1.3 Factors That Affect Performance 383

15.2 LAN Performance 384

15.2.1 Bounds on Performance 384

15.2.2 Comparative Performance of Token Passing and CSMA/CD 391

15.2.3 Behavior of Contention Protocols 396

15.3 Recommended Reading 404

15.4 Problems 404

Glossary 406

References 413

Index 417

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书籍介绍

Preface Objecti