DATA AND COMPUTER COMMUNICATIONS - …

1 data AND COMPUTER COMMUNICATIONS Ninth Edition William Stallings Boston Columbus Indianapolis New York San Francisco Upper Saddle River Amsterdam Cape Town Dubai London Madrid Milan Munich Paris Montreal Toronto Delhi Mexico City Sao Paulo Sydney Hong Kong Seoul Singapore Taipei Tokyo CONTENTS Preface 15 Acknowledgments 21 About the Author 23 Animations Directory 25 Chapter 0 Reader's and Instructor's Guide 29 Outline of the Book 30 A Roadmap for Readers and Instructors 31 Internet and Web Resources 33 Standards 34 PART ONE OVERVIEW 36 Chapter 1 data COMMUNICATIONS , data Networks, and the Internet 36 data COMMUNICATIONS and Networking for Today's Enterprise 37 A COMMUNICATIONS Model 44 data COMMUNICATIONS 47 Networks 50 The Internet 53 An Example Configuration 58 Chapter 2 Protocol Architecture, TCP/IP.

2 And Internet-Based Applications 60 The Need for a Protocol Architecture 61 A Simple Protocol Architecture 62 The TCP/IP Protocol Architecture 66 Standardization within a Protocol Architecture 74 Traditional Internet-Based Applications 77 Multimedia 78 Recommended Reading and Web Sites 81 Key Terms, Review Questions, and Problems 82 Appendix 2A The Trivial File Transfer Protocol 85 PART TWO data COMMUNICATIONS 90 Chapter 3 data Transmission 90 Concepts and Terminology 92 Analog and Digital data Transmission 103 Transmission Impairments 111 Channel Capacity 117 Recommended Reading and Web Site 121 Key Terms, Review Questions.

3 And Problems 122 Appendix ЗА Decibels and Signal Strength 125 Chapter 4 Transmission Media 128 Guided Transmission Media 130 Wireless Transmission 144 8 CONTENTS Wireless Propagation 152 Line-of-Sight Transmission 157 Recommended Reading and Web Sites 161 Key Terms, Review Questions, and Problems 162 Chapter 5 Signal Encoding Techniques 166 Digital data , Digital Signals 169 Digital data , Analog Signals 179 Analog data , Digital Signals 190 Analog data , Analog Signals 196 Recommended Reading 203 Key Terms, Review Questions, and Problems 203 Chapter 6 Digital data communication Techniques 208 Asynchronous and Synchronous Transmission 210 Types of Errors 214 Error Detection 214 Error Correction 224 Line Configurations 230 Recommended Reading 231 Key Terms, Review Questions.

4 And Problems 232 Chapter 7 data Link Control Protocols 236 Flow Control 238 Error Control 245 High-Level data Link Control (HDLC) 251 Recommended Reading 258 Key Terms, Review Questions, and Problems 258 Appendix 7A Performance Issues 261 Chapter 8 Multiplexing 268 Frequency Division Multiplexing 271 Synchronous Time Division Multiplexing 277 Statistical Time Division Multiplexing 287 Asymmetric Digital Subscriber Line 294 xDSL 298 Recommended Reading and Web Sites 300 Key Terms, Review Questions.

5 And Problems 301 Chapter 9 Spread Spectrum 304 The Concept of Spread Spectrum 306 Frequency-Hopping Spread Spectrum 307 Direct Sequence Spread Spectrum 312 Code Division Multiple Access 318 Recommended Reading and Web Site 322 Key Terms, Review Questions, and Problems 322 CONTENTS 9 PART THREE WIDE AREA NETWORKS 326 Chapter 10 Circuit Switching and Packet Switching 326 Switched COMMUNICATIONS Networks 328 Circuit-Switching Networks 330 Circuit-Switching Concepts 333 Softswitch Architecture 337 Packet-Switching Principles 338 Recommended Reading 348 Key Terms, Review Questions.

6 And Problems 348 Chapter 11 Asynchronous Transfer Mode 351 The Role of ATM 353 Protocol Architecture 354 ATM Logical Connections 356 ATM Cells 361 Transmission of ATM Cells 367 ATM Service Categories 371 Recommended Reading and Web Sites 374 Key Terms, Review Questions, and Problems 375 Chapter 12 Routing in Switched data Networks 378 Routing in Packet-Switching Networks 379 Examples: Routing in ARPANET 389 Least-Cost Algorithms 395 Recommended Reading 400 Key Terms, Review Questions, and Problems 401 Chapter 13 Congestion Control in data Networks 405 Effects of Congestion 407 Congestion Control 412 Traffic Management 414 Congestion Control in Packet-Switching Networks 416 ATM Traffic Management 416 ATM-GFR Traffic Management 428 Recommended Reading 431 Key Terms, Review Questions.

7 And Problems 432 Chapter 14 Cellular Wireless Networks 435 Principles of Cellular Networks 436 First-Generation Analog 450 Second-Generation CDMA 451 Third-Generation Systems 457 Fourth-Generation Systems 461 Recommended Reading and Web Sites 466 Key Terms, Review Questions, and Problems 467 10 CONTENTS PART FOUR LOCAL AREA NETWORKS 470 Chapter 15 Local Area Network Overview 470 Topologies and Transmission Media 471 LAN Protocol Architecture 477 Bridges 485 Hubs and Switches 493 Virtual LANs 497 Recommended Reading and Web Sites 502 Key Terms, Review?

8 Questions, and Problems 502 Chapter 16 Ethernet 505 Traditional Ethernet 507 High-Speed Ethernet 515 IEEE Standard 526 Recommended Reading and Web Sites 528 Key Terms, Review Questions, and Problems 528 Appendix 16A Digital Signal Encoding for LANs 531 Appendix 16B Scrambling 538 Chapter 17 Wireless LANs 541 Overview 542 Wireless LAN Technology 547 IEEE Architecture and Services 549 IEEE Medium Access Control 554 IEEE Physical Layer 561 IEEE Security Considerations 569 Recommended Reading and Web Sites 570 Key Terms, Review Questions.

9 And Problems 571 PART FIVE INTERNET AND TRANSPORT PROTOCOLS 573 Chapter 18 Internet Protocols 573 Principles of Internetworking 574 Internet Protocol Operation 579 Internet Protocol 586 IPv6 596 Virtual Private Networks and IP Security 605 Recommended Reading and Web Sites 608 Key Terms, Review Questions, and Problems 609 Chapter 19 Internetwork Operation 613 Multicasting 614 Routing Protocols 624 Mobile IP 635 Recommended Reading and Web Sites 647 Key Terms, Review Questions.

10 And Problems 648 CONTENTS 11 Chapter Chapter Chapter 20 21 22 PART SIX Internetwork Quality of Service 651 Integrated Services Architecture 653 Resource Reservation Protocol 662 Differentiated Services 672 Service Level Agreements 680 IP Performance Metrics 682 Recommended Reading and Web Sites 685 Key Terms, Review Questions, and Problems Multiprotocol Label Switching 689 The Role of MPLS 691 Backgrounds 693 MPLS Operation 695 Labels 700 FECs, LSPs, and Labels 704 Label Distribution 706 Traffic Engineering 710