本书是著名计算机专业作家William Stallings的经典著作之一，内容涉及基本的数据通信原理、各种类型的计算机网络以及多种网络协议和应用。新增主题包括软件定义网络，无线传输技术复杂性分析，4G蜂窝网络，千兆位WiFi，DHCP，PIM，QoS结构框架和标准因特网邮件体系结构。此外，本书还包括参考文献和缩略语，并且每章都附有习题和建议，以便读者进一步阅读。
William Stallings博士著有17种著作，将更新版包括在内共计40本有关计算机安全、计算机网络以及计算机体系结构的书。曾12次获得文字和学术作者协会颁发的年度最佳计算机科学教材奖。其著作在大量的出版物中被引用参考，包括Proceedings of the IEEE和ACM Computing Review以及Cryptologia。在他30余年的职业生涯中，曾担任过技术撰稿人，技术管理者以及几个高科技公司的经理。曾在各种计算机平台和操作系统上设计并实现了基于TCP/IP的和基于OSI的协议族，这些计算机平台囊括了从微型计算机到大型计算机等各种类型。作为一名顾问，他曾为政府部门，计算机与软件经销商，以及设计、选择和使用组网软件和产品的大客户提供过指导。
William Stallings博士著有17种著作，将更新版包括在内共计40本有关计算机安全、计算机网络以及计算机体系结构的书。曾12次获得文字和学术作者协会颁发的年度最佳计算机科学教材奖。其著作在大量的出版物中被引用参考，包括Proceedings of the IEEE和ACM Computing Review以及Cryptologia。在他30余年的职业生涯中，曾担任过技术撰稿人，技术管理者以及几个高科技公司的经理。曾在各种计算机平台和操作系统上设计并实现了基于TCP/IP的和基于OSI的协议族，这些计算机平台囊括了从微型计算机到大型计算机等各种类型。作为一名顾问，他曾为政府部门，计算机与软件经销商，以及设计、选择和使用组网软件和产品的大客户提供过指导。
Chapter 0 Guide for Readers and Instructors
0.1 Outline of the Book
0.2 A Roadmap for Readers and Instructors
0.3 Internet and Web Resources
0.4 Standards
UNIT ONE FUNDAMENTALS
PART ONE OVERVIEW
Chapter 1 Data Communications, Data Networks, and the Internet
1.1 Data Communications and Networking for Today＇s Enterprise
1.2 A Communications Model 39
1.3 Data Communications 42
1.4 Networks 45
1.5 The Internet 48
1.6 An Example Configuration 53
Chapter 2 Protocol Architecture, TCP/IP, and Internet-Based Applications
2.1 The Need for a Protocol Architecture
2.2 A Simple Protocol Architecture
2.3 The TCP/IP Protocol Architecture
2.4 Standardization within a Protocol Architecture
2.5 Traditional Internet-Based Applications
2.6 Multimedia
2.7 Sockets Programming
2.8 Recommended Reading and Animation
2.9 Key Terms, Review Questions, and Problems
2.10 Sockets Programming Assignments
Appendix 2A The Trivial File Transfer Protocol
PART TWO DATA COMMUNICATIONS
Chapter 3 Data Transmission
3.1 Concepts and Terminology
3.2 Analog and Digital Data Transmission
3.3 Transmission Impairments
3.4 Channel Capacity
3.5 Recommended Reading
3.6 Key Terms, Review Questions, and Problems
Appendix 3A Decibels and Signal Strength
Chapter 4 Transmission Media
4.1 Guided Transmission Media
4.2 Wireless Transmission
4.3 Wireless Propagation 159
4.4 Line-of-Sight Transmission
4.5 Recommended Reading
4.6 Key Terms, Review Questions, and Problems
Chapter 5 Signal Encoding Techniques
5.1 Digital Data, Digital Signals
5.2 Digital Data, Analog Signals
5.3 Analog Data, Digital Signals
5.4 Recommended Reading and Animations
5.5 Key Terms, Review Questions, and Problems
Chapter 6 Error Detection and Correction
6.1 Types of Errors
6.2 Error Detection
6.3 Parity Check
6.4 The Internet Checksum
6.5 Cyclic Redundancy Check (CRC)
6.6 Forward Error Correction
6.7 Recommended Reading and Animations
6.8 Key Terms, Review Questions, and Problems
Chapter 7 Data Link Control Protocols
7.1 Flow Control
7.2 Error Control
7.3 High-Level Data Link Control (HDLC)
7.4 Recommended Reading and Animations
7.5 Key Terms, Review Questions, and Problems
Chapter 8 Multiplexing
8.1 Frequency-Division Multiplexing
8.2 Synchronous Time-Division Multiplexing
8.3 Cable Modem
8.4 Asymmetric Digital Subscriber Line
8.5 xDSL
8.6 Multiple Channel Access
8.7 Recommended Reading and Animations
8.8 Key Terms, Review Questions, and Problems
PART THREE WIDE AREA NETWORKS
Chapter 9 WAN Technology and Protocols
9.1 Switched Communications Networks
9.2 Circuit-Switching Networks
9.3 Circuit-Switching Concepts
9.4 Softswitch Architecture
9.5 Packet-Switching Principles
9.6 Asynchronous Transfer Mode
9.7 Recommended Reading
9.8 Key Terms, Review Questions, and Problems
Chapter 10 Cellular Wireless Networks
10.1 Principles of Cellular Networks
10.2 Cellular Network Generations
10.3 LTE-Advanced
10.4 Recommended Reading
10.5 Key Terms, Review Questions, and Problems
PART FOUR LOCAL AREA NETWORKS
Chapter 11 Local Area Network Overview
11.1 Bus and Star Topologies
11.2 LAN Protocol Architecture
11.3 Bridges
11.4 Hubs and Switches
11.5 Virtual LANs
11.6 Recommended Reading and Animations
11.7 Key Terms, Review Questions, and Problems
Chapter 12 Ethernet
12.1 Traditional Ethernet
12.2 High-Speed Ethernet
12.3 IEEE 802.1Q VLAN Standard
12.4 Recommended Reading and Animations
12.5 Key Terms, Review Questions, and Problems
Appendix 12A Digital Signal Encoding for LANs
Appendix12B Scrambling
Chapter 13 Wireless LANs
13.1 Overview
13.2 IEEE 802.11 Architecture and Services
13.3 IEEE 802.11 Medium Access Control
13.4 IEEE 802.11 Physical Layer
13.5 Gigabit Wi-Fi
13.6 IEEE 802.11 Security Considerations
13.7 Recommended Reading
13.8 Key Terms, Review Questions, and Problems
PART FIVE INTERNET AND TRANSPORT PROTOCOLS
Chapter 14 The Internet Protocol
14.1 Principles of Internetworking
14.2 Internet Protocol Operation
14.3 Internet Protocol
14.4 IPv6
14.5 Virtual Private Networks and IP Security
14.6 Recommended Reading and Animations
14.7 Key Terms, Review Questions, and Problems
Chapter 15 Transport Protocols
15.1 Connection-Oriented Transport Protocol Mechanisms
15.2 TCP
15.3 UDP
15.4 Recommended Reading and Animations
15.5 Key Terms, Review Questions, and Problems
UNIT TWO ADVANCED TOPICS IN DATA COMMUNICATIONS AND
NETWORKING
PART SIX DATA COMMUNICATIONS AND WIRELESS NETWORKS
Chapter 16 Advanced Data Communications Topics
16.1 Analog Data, Analog Signals
16.2 Forward Error-Correcting Codes
16.3 ARQ Performance Issues
16.4 Recommended Reading and Animations
16.5 Key Terms, Review Questions, and Problems
Chapter 17 Wireless Transmission Techniques
17.1 MIMO Antennas
17.2 OFDM, OFDMA, and SC-FDMA
17.3 Spread Spectrum
17.4 Direct Sequence Spread Spectrum
17.5 Code Division Multiple Access
17.6 Recommended Reading
17.7 Key Terms, Review Questions, and Problems
Chapter 18 Wireless Networks
18.1 Fixed Broadband Wireless Access
18.2 WiMAX/IEEE 802.16
18.3 Bluetooth Overview
18.4 Bluetooth Radio Specification
18.5 Bluetooth Baseband Specification
18.6 Bluetooth Logical Link Control and Adaptation Protocol
18.7 Recommended Reading
18.8 Key Terms, Review Questions, and Problems
PART SEVEN INTERNETWORKING
Chapter 19 Routing
19.1 Routing in Packet-Switching Networks
19.2 Examples: Routing in ARPANET
19.3 Internet Routing Protocols
19.4 Least-Cost Algorithms
19.5 Recommended Reading and Animations
19.6 Key Terms, Review Questions, and Problems
Chapter 20 Congestion Control
20.1 Effects of Congestion
20.2 Congestion Control
20.3 Traffic Management
20.4 Congestion Control in Packet-Switching Networks
20.5 TCP Congestion Control
20.6 Datagram Congestion Control Protocol
20.7 Recommended Reading and Animations
20.8 Key Terms, Review Questions, and Problems
Chapter 21 Internetwork Operation
21.1 Multicasting
21.2 Software-Defined Networks
21.3 OpenFlow
21.4 Mobile IP
21.5 Dynamic Host Configuration Protocol
21.6 Recommended Reading and Animations
21.7 Key Terms, Review Questions, and Problems
Chapter 22 Internetwork Quality of Service
22.1 QOS Architectural Framework
22.2 Integrated Services Architecture
22.3 Resource Reservation Protocol
22.4 Differentiated Services
22.5 Service Level Agreements
22.6 IP Performance Metrics
22.7 Recommended Reading and Web Sites
22.8 Key Terms, Review Questions, and Problems
Chapter 23 Multiprotocol Label Switching
23.1 The Role of MPLS
23.2 Background
23.3 MPLS Operation
23.4 Labels
23.5 FECs, LSPs, and Labels
23.6 Label Distribution
23.7 Traffic Engineering
23.8 Virtual Private Networks
23.9 Recommended Reading
23.10 Key Terms, Review Questions, and Problems
PART EIGHT INTERNET APPLICATIONS
Chapter 24 Electronic Mail, DNS, and HTTP
24.1 Electronic Mail-SMTP and MIME
24.2 Internet Directory Service: DNS
24.3 Web Access and HTTP
24.4 Recommended Reading and Animations
24.5 Key Terms, Review Questions, and Problems
Chapter 25 Internet Multimedia Support
25.1 Real-Time Traffic
25.2 Voice Over IP
25.3 Session Initiation Protocol
25.4 Real-Time Transport Protocol (RTP)
25.5 Recommended Reading
25.6 Key Terms, Review Questions, and Problems
APPENDICES
Appendix A Fourier Analysis
A.1 Fourier Series Representation of Periodic Signals
A.2 Fourier Transform Representation of Aperiodic Signals
A.3 Recommended Reading
Appendix B Projects and Other Student Exercises for Teaching Data and Computer
Communications
B.1 Animations and Animation Assignments
B.2 Practical Exercises
B.3 Sockets Projects
B.4 Wireshark Projects
B.5 Simulation and Modeling Projects
B.6 Performance Modeling
B.7 Research Projects
B.8 Reading/Report Assignments
B.9 Writing Assignments
B.10 Discussion Topics
References
Index 887
ONLINE CHAPTERS AND APPENDICES1
PART NINE NETWORK SECURIETY
Chapter 26 Computer and Network Security Threats
26.1 Computer Security Concepts
26.2 Threats, Attacks, and Assets
26.3 Intruders
26.4 Malicious Software Overview
26.5 Viruses, Worms, and Bots
26.6 Recommended Reading
26.7 Key Terms, Review Questions, and Problems
Chapter 27 Computer and Network Security Techniques
27.1 Virtual Private Networks and IPsec
27.2 SSL and TLS
27.3 Wi-Fi Protected Access
27.4 Intrusion Detection
27.5 Firewalls
27.6 Malware Defense
27.7 Recommended Reading
27.8 Key Terms, Review Questions, and Problems
Appendix C Standards Organizations
Appendix D Asynchronous and Synchronous Transmission
Appendix E The OSI Model
Appendix F The International Reference Alphabet
Appendix G Proof of the Sampling Theorem
Appendix H Ones Complement Representation and Addition
Appendix I Statistical TDM
Appendix J The Spanning Tree Algorithm
Appendix K LAN Performance Issues
Appendix L Matrix Multiplication and Determinants
Appendix M Queuing Effects
Appendix N Orthogonality, Correlation, and Autocorrelation
Appendix O TCP/IP Example
Appendix P Queue Management and Queueing Discipline
Appendix Q Cryptographic Algorithms
Appendix R Uniform Resource Locators (URLs) and Uniform Resource
Identifiers (URIs)
Appendix S Augmented Backus-Naur Form
Appendix T Derivations of Equations and Examples
Glossary
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