计算机网络教程 自顶向下方法 英文版2025|PDF|Epub|mobi|kindle电子书版本百度云盘下载

计算机网络教程 自顶向下方法 英文版PDF格式电子书版下载

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Chapter 1 Introduction1

1.1 OVERVIEW OF THE INTERNET2

1.1.1 Networks2

1.1.2 Switching4

1.1.3 The Internet6

1.1.4 Accessing the Internet7

1.1.5 Hardware and Software8

1.2 PROTOCOL LAYERING9

1.2.1 Scenarios9

1.2.2 TCP/IP Protocol Suite12

1.2.3 The OSI Model20

1.3 INTERNET HISTORY22

1.3.1 Early History22

1.3.2 Birth of the Internet22

1.3.3 Internet Today24

1.4 STANDARDS AND ADMINISTRATION24

1.4.1 Internet Standards24

1.4.2 Internet Administration26

1.5 END-CHAPTER MATERIALS27

1.5.1 Further Reading27

1.5.2 Key Terms28

1.5.3 Summary28

1.6 PRACTICE SET29

1.6.1 Quizzes29

1.6.2 Questions29

1.6.3 Problems30

1.7 SIMULATION EXPERIMENTS31

1.7.1 Applets31

1.7.2 Lab Assignments32

Chapter 2 Application Layer33

2.1 INTRODUCTION34

2.1.1 Providing Services35

2.1.2 Application-Layer Paradigms36

2.2 CLIENT-SERVER PARADIGM38

2.2.1 Application Programming Interface39

2.2.2 Using Services of the Transport Layer43

2.3 STANDARD CLIENT-SERVER APPLICATIONS44

2.3.1 World Wide Web and HTTP44

2.3.2 FTP59

2.3.3 Electronic Mail63

2.3.4 TELNET76

2.3.5 Secure Shell （SSH）78

2.3.6 Domain Name System （DNS）81

2.4 PEER-TO-PEER PARADIGM92

2.4.1 P2P Networks92

2.4.2 Distributed Hash Table （DHT）95

2.4.3 Chord97

2.4.4 Pastry104

2.4.5 Kademlia108

2.4.6 A Popular P2P Network： BitTorrent112

2.5 SOCKET INTERFACE PROGRAMMING114

2.5.1 Socket Interface in C114

2.6 END-CHAPTER MATERIALS128

2.6.1 Further Reading128

2.6.2 Key Terms129

2.6.3 Summary129

2.7 PRACTICE SET130

2.7.1 Quizzes130

2.7.2 Questions130

2.7.3 Problems132

2.8 SIMULATION EXPERIMENTS136

2.8.1 Applets136

2.8.2 Lab Assignments136

2.9 PROGRAMMING ASSIGNMENT137

Chapter 3 Transport Layer139

3.1 INTRODUCTION140

3.1.1 Transport-Layer Services141

3.2 TRANSPORT-LAYER PROTOCOLS154

3.2.1 Simple Protocol154

3.2.2 Stop-and-Wait Protocol155

3.2.3 Go-Back-N Protocol （GBN）160

3.2.4 Selective-Repeat Protocol166

3.2.5 Bidirectional Protocols： Piggybacking173

3.2.6 Internet Transport-Layer Protocols173

3.3 USER DATAGRAM PROTOCOL （UDP）175

3.3.1 User Datagram175

3.3.2 UDP Services176

3.3.3 UDP Applications179

3.4 TRANSMISSION CONTROL PROTOCOL （TCP）181

3.4.1 TCP Services181

3.4.2 TCP Features184

3.4.3 Segment185

3.4.4 A TCP Connection188

3.4.5 State Transition Diagram194

3.4.6 Windows in TCP198

3.4.7 Flow Control200

3.4.8 Error Control205

3.4.9 TCP Congestion Control213

3.4.10 TCP Timers223

3.4.11 Options227

3.5 END-CHAPTER MATERIALS227

3.5.1 Further Reading227

3.5.2 Key Terms227

3.5.3 Summary228

3.6 PRACTICE SET228

3.6.1 Quizzes228

3.6.2 Questions229

3.6.3 Problems232

3.7 SIMULATION EXPERIMENTS239

3.7.1 Applets239

3.7.2 Lab Assignments239

3.8 PROGRAMMING ASSIGNMENT240

Chapter 4 Network Layer241

4.1 INTRODUCTION242

4.1.1 Network-Layer Services243

4.1.2 Packet Switching246

4.1.3 Network-Layer Performance251

4.1.4 Network-Layer Congestion255

4.1.5 Structure of A Router258

4.2 NETWORK-LAYER PROTOCOLS261

4.2.1 IPv4 Datagram Format262

4.2.2 IPv4 Addresses269

4.2.3 Forwarding of IP Packets286

4.2.4 ICMPv4295

4.3 UNICAST ROUTING299

4.3.1 General Idea300

4.3.2 Routing Algorithms302

4.3.3 Unicast Routing Protocols313

4.4 MULTICAST ROUTING333

4.4.1 Introduction333

4.4.2 Multicasting Basics336

4.4.3 Intradomain Routing Protocols343

4.4.4 Interdomain Routing Protocols349

4.5 NEXT GENERATION IP350

4.5.1 Packet Format351

4.5.2 IPv6 Addressing353

4.5.3 Transition from IPv4 to IPv6358

4.5.4 ICMPv6359

4.6 END-CHAPTER MATERIALS361

4.6.1 Further Reading361

4.6.2 Key Terms361

4.6.3 Summary362

4.7 PRACTICE SET362

4.7.1 Quizzes362

4.7.2 Questions363

4.7.3 Problems366

4.8 SIMULATION EXPERIMENTS373

4.8.1 Applets373

4.8.2 Lab Assignments373

4.9 PROGRAMMING ASSIGNMENT374

Chapter 5 Data-Link Layer： Wired Networks375

5.1 INTRODUCTION376

5.1.1 Nodes and Links377

5.1.2 Two Types of Links377

5.1.3 Two Sublayers378

5.2 DATA LINK CONTROL （DLC）378

5.2.1 Framing378

5.2.2 Flow and Error Control381

5.2.3 Error Detection and Correction382

5.2.4 Two DLC Protocols396

5.3 MULTIPLE ACCESS PROTOCOLS403

5.3.1 Random Access404

5.3.2 Controlled Access416

5.3.3 Channelization419

5.4 LINK-LAYER ADDRESSING419

5.5 WIRED LANS： ETHERNET PROTOCOL428

5.5.1 IEEE Project 802428

5.5.2 Standard Ethernet429

5.5.3 Fast Ethernet （100 Mbps）436

5.5.4 Gigabit Ethernet437

5.5.5 10-Gigabit Ethernet438

5.5.6 Virtual LANs438

5.6 OTHER WIRED NETWORKS442

5.6.1 Point-to-Point Networks443

5.6.2 SONET448

5.6.3 Switched Network： ATM455

5.7 CONNECTING DEVICES460

5.7.1 Repeaters or Hubs460

5.7.2 Link-Layer Switches461

5.7.3 Routers463

5.8 END-CHAPTER MATERIALS464

5.8.1 Recommended Reading464

5.8.2 Key Terms464

5.8.3 Summary465

5.9 PRACTICE SET466

5.9.1 Quizzes466

5.9.2 Questions466

5.9.3 Problems468

5.10 SIMULATION EXPERIMENTS476

5.10.1 Applets476

5.10.2 Lab Assignments477

5.11 PROGRAMMING ASSIGNMENTS477

Chapter 6 Wireless Networks and Mobile IP479

6.1 WIRELESS LANs480

6.1.1 Introduction480

6.1.2 IEEE 802.11 Project483

6.1.3 Bluetooth495

6.1.4 WiMAX501

6.2 OTHER WIRELESS NETWORKS503

6.2.1 Channelization503

6.2.2 Cellular Telephony510

6.2.3 Satellite Networks521

6.3 MOBILE IP527

6.3.1 Addressing527

6.3.2 Agents529

6.3.3 Three Phases530

6.3.4 Inefficiency in Mobile IP535

6.4 END-CHAPTER MATERIALS536

6.4.1 Further Reading536

6.4.2 Key Terms537

6.4.3 Summary537

6.5 PRACTICE SET538

6.5.1 Quizzes538

6.5.2 Questions538

6.5.3 Problems540

6.6 SIMULATION EXPERIMENTS545

6.6.1 Applets545

6.6.2 Lab Assignments545

6.7 PROGRAMMING ASSIGNMENT545

Chapter 7 Physical Layer and Transmission Media547

7.1 DATA AND SIGNALS548

7.1.1 Analog and Digital549

7.1.2 Transmission Impairment556

7.1.3 Data Rate Limits558

7.1.4 Performance560

7.2 DIGITAL TRANSMISSION563

7.2.1 Digital-to-Digital Conversion563

7.2.2 Analog-to-Digital Conversion569

7.3 ANALOG TRANSMISSION574

7.3.1 Digital-to-Analog Conversion574

7.3.2 Analog-to-Analog Conversion579

7.4 BANDWIDTH UTILIZATION581

7.4.1 Multiplexing581

7.4.2 Spread Spectrum587

7.5 TRANSMISSION MEDIA591

7.5.1 Guided Media591

7.5.2 Unguided Media： Wireless596

7.6 END-CHAPTER MATERIALS598

7.6.1 Recommended Reading598

7.6.2 Key Terms598

7.6.3 Summary599

7.7 PRACTICE SET600

7.7.1 Quizzes600

7.7.2 Questions600

7.7.3 Problems601

Chapter 8 Multimedia and Quality of Service607

8.1 COMPRESSION608

8.1.1 Lossless Compression608

8.1.2 Lossy Compression617

8.2 MULTIMEDIA DATA623

8.2.1 Text623

8.2.2 Image623

8.2.3 Video627

8.2.4 Audio629

8.3 MULTIMEDIA IN THE INTERNET630

8.3.1 Streaming Stored Audio/Video631

8.3.2 Streaming Live Audio/Video634

8.3.3 Real-Time Interactive Audio/Video635

8.4 REAL-TIME INTERACTIVE PROTOCOLS641

8.4.1 Rationale for New Protocols642

8.4.2 RTP645

8.4.3 RTCP648

8.4.4 Session Initialization Protocol （SIP）651

8.4.5 H.323658

8.4.6 SCTP660

8.5 QUALITY OF SERVICE674

8.5.1 Data-Flow Characteristics674

8.5.2 Flow Classes675

8.5.3 Flow Control to Improve QoS676

8.5.4 Integrated Services （IntServ）682

8.5.5 Differentiated Services （DiffServ）686

8.6 END-CHAPTER MATERIALS687

8.6.1 Recommended Reading687

8.6.2 Key Terms688

8.6.3 Summary688

8.7 PRACTICE SET689

8.7.1 Quizzes689

8.7.2 Questions689

8.7.3 Problems692

8.8 SIMULATION EXPERIMENTS700

8.8.1 Applets700

8.8.2 Lab Assignments700

8.9 PROGRAMMING ASSIGNMENTS700

Chapter 9 Network Management701

9.1 INTRODUCTION702

9.1.1 Configuration Management702

9.1.2 Fault Management704

9.1.3 Performance Management705

9.1.4 Security Management705

9.1.5 Accounting Management705

9.2 SNMP706

9.2.1 Managers and Agents706

9.2.2 Management Components707

9.2.3 An Overview709

9.2.4 SMI710

9.2.5 MIB713

9.2.6 SNMP716

9.3 ASN.1722

9.3.1 Language Basics722

9.3.2 Data Types723

9.3.3 Encoding726

9.4 END-CHAPTER MATERIALS726

9.4.1 Further Reading726

9.4.2 Key Terms726

9.4.3 Summary726

9.5 PRACTICE SET727

9.5.1 Quizzes727

9.5.2 Questions727

9.5.3 Problems728

Chapter 10 Network Security731

10.1 INTRODUCTION732

10.1.1 Security Goals732

10.1.2 Attacks733

10.1.3 Services and Techniques734

10.2 CONFIDENTIALITY735

10.2.1 Symmetric-Key Ciphers735

10.2.2 Asymmetric-Key Ciphers746

10.3 OTHER ASPECTS OF SECURITY751

10.3.1 Message Integrity751

10.3.2 Message Authentication752

10.3.3 Digital Signature753

10.3.4 Entity Authentication758

10.3.5 Key Management761

10.4 INTERNET SECURITY766

10.4.1 Application-Layer Security767

10.4.2 Transport-Layer Security776

10.4.3 Network-Layer Security782

10.5 FIREWALLS792

10.5.1 Packet-Filter Firewall793

10.5.2 Proxy Firewall793

10.6 END-CHAPTER MATERIALS794

10.6.1 Further Reading794

10.6.2 Key Terms794

10.6.3 Summary795

10.7 PRACTICE SET796

10.7.1 Quizzes796

10.7.2 Questions796

10.7.3 Problems798

10.8 SIMULATION EXPERIMENTS803

10.8.1 Applets803

10.8.2 Lab Assignments803

10.9 PROGRAMMING ASSIGNMENTS803

Chapter 11 Socket Programming In Java805

11.1 INTRODUCTION806

11.1.1 Addresses and Ports806

11.1.2 Client-Server Paradigm809

11.2 PROGRAMMING WITH UDP810

11.2.1 Iterative Approach810

11.2.2 Concurrent Approach820

11.3 PROGRAMMING WITH TCP823

11.3.1 Iterative Approach823

11.3.2 Concurrent Approach832

11.4 END-CHAPTER MATERIALS835

11.4.1 Further Reading835

11.4.2 Key Terms835

11.4.3 Summary835

11.5 PRACTICE SET836

11.5.1 Quizzes836

11.5.2 Questions836

11.5.3 Problems838

11.6 PROGRAMMING ASSIGNMENTS838

Appendix A Unicode841

Appendix B Positional Numbering System845

Appendix C HTML， CSS， XML， and XSL853

Appendix D Miscellaneous Information861

Appendix E 8B/6T Code865

Glossary867

References901

Index905