出版者的话
Preface v
Trade Mark xiv
Acronyms xv
PARTI: Overview
Chapter1 Introduction
1.1 DATA COMMUNICATIONS
1.1.1 Components
1.1.2 Data Representation
1.1.3 Data Flow
1.2 NETWORKS
1.2.1 Network Criteria
1.2.2 PhysicaI Structures
1.3 NETWORKIYPES
1.3.1 LocaI Area Network
1.3.2 Wide Area Network
1.3.3 Switching
1.3.4 The Internet
1.3.5 Accessing the lnternet
1.4 INTERNET HISTORY
1.4.1 Early History
1.4.2 Birth of the lnternet
1.4.3 Internet Today
1.5 STANDARDS AND ADMINISTRATION
1.5.1 Internet Standards
1.5.2 Internet Administration
1.6 END-CHAPTER MATERIALS
1.6.1 Recommended Reading
1.6.2 Key Terms
1.6.3 Summary
1.7 PRACTICE SET
1.7.1 Quizzes
1.7.2 Questions
1.7.3 Problems
1.8 SIMULATION EXPERIMENTS
1.8.1 Applets
1.8.2 Lab Assignments
Chapter 2 Network Models
2.1 PROTOCOLLAYERING
2.1.1 Scenarios
2.1.2 Principles of Protocol Layering
2.1.3 Logical Connections
2.2 TCP/IP PROTOCOL SUITE
2.2.1 Layered Architecture
2.2.2 Layers in the TCP/IP Protocol Suite
2.2.3 Description of Each Layer
2.2.4 Encapsulation and Decapsulation
2.2.5 Addressing
2.2.6 Multiplexing and Demultiplexing
2.3 THEOSIMODEL
2.3.1 OSlversus TCPflP
2.3.2 Lack of OSI Model's Success
2.4 END-CHAPTER MATERIALS
2.4.1 Recommended Reading
2.4.2 Key Terms
2.4.3 Summary
2.5 PRACTICE SET
2.5.1 Quizzes
2.5.2 Questions
2.5.3 Problems
PARTII: Physical Layer
Chapter 3 Introduction to Physical Layer
3.1 DATA AND SIGNALS
3.1.1 Analog and Digital Data
3.1.2 Analog and Digital Signals
3.1.3 Periodic and Nonperiodic
3.2 PERIODIC ANALOG SIGNALS
3.2.1 Sine Wave
3.2.2 Phase
3.2.3 Wavelength
3.2.4 Timeand Frequency Domains
3.2.5 Composite Signals
3.2.6 Bandwidth
3.3 DIGITAL SIGNALS
3.3.1 Bit Rate
3.3.2 BitLength
3.3.3 Digital Signal as a Composite Analog Signal
3.3.4 Transmission of Digital Signals
3.4 TRANSMISSIONIMPAIRMENT
3.4.1 Attenuation
3.4.2 Distortion
3.4.3 Noise
3.5 DATA RATE LIMITS
3.5.1 Noiseless Channel: Nyquist Bit Rate
3.5.2 Noisy Channel: Shannon Capacity
3.5.3 Using Both Limits
……
PART Ⅲ Data-Link Layer
PART Ⅳ Network Layer
PART Ⅴ Transport Layer
PART Ⅵ Application Layer
PART Ⅶ Topics Related to All Layers
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