CONTENTS

PART ONE INTRODUCTION

CHAPTER 1 INTRODUCTION TO DATA COMMUNICATIONS

1.1 INTRODUCTION

1.1.1 A Brief History of Communications in North America

1.1.2 A Brief History of Information Systems

1.1.3 A Brief History of the Internet

1.2 DATA COMMUNICATIONS NETWORKS

1.2.1 Components of a Network

1.2.2 Types of Networks

1.3 NETWORK MODELS

1.3.1 Open Systems Interconnection Reference Model

1.3.2 Internet Model

1.3.3 Message Transmission Using Layers

1.4 NETWORK STANDARDS

1.4.1 The Importance of Standards

1.4.2 The Standards-Making Process

1.4.3 Common Standards

1.5 FUTURE TRENDS

1.5.1 Pervasive Networking

1.5.2 The Integration of Voice, Video, and Data

1.5.3 New Information Services

1.6 IMPLICATIONS FOR MANAGEMENT

SUMMARY

PART TWO FUNDAMENTAL CONCEPTS

CHAPTER 2 APPLICATION LAYER

2.1 INTRODUCTION

2.2 APPLICATION ARCHITECTURES

2.2.1 Host-Based Architectures

2.2.2 Client-Based Architectures

2.2.3 Client-Server Architectures

2.2.4 Peer-to-Peer Architectures

2.2.5 Choosing Architectures

2.3 WORLD WIDE WEB

2.3.1 How the Web Works

2.3.2 Inside an HTTP Request

2.3.3 Inside an HTTP Response

2.4 ELECTRONIC MAIL

2.4.1 How Email Works

2.4.2 Inside an SMTP Packet

2.4.3 Attachments in Multipurpose Internet Mail Extension

2.5 OTHER APPLICATIONS

2.5.1 Telnet

2.5.2 Instant Messaging

2.5.3 Videoconferencing

2.6 IMPLICATIONS FOR MANAGEMENT

SUMMARY

CHAPTER 3 PHYSICAL LAYER

3.1 INTRODUCTION

3.2 CIRCUITS

3.2.1 Circuit Configuration

3.2.2 Data Flow

3.2.3 Multiplexing

3.2.4 How DSL Transmits Data

3.3 ...

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