Chapter 1. Introduction to Data Communications
Business Data Communications and Networking Fitzgerald and Dennis, 7th Edition
Copyright © 2002 John Wiley & Sons, Inc.
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Chapter 1. Learning Objectives
• Be aware of the history of communications, information systems and the Internet • Be aware of the applications of data communications networks • Be familiar with the major components of and types of networks • Understand the role of network layers • Be familiar with the role of network standards • Be aware of three key trends in communications and networking
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Chapter 1. Outline
• Introduction: The Information Society • Brief histories of:
– communications, info systems and the Internet

• Data Communications Networks
– network components, network types

• Network Models
– OSI model, Internet model, message transmission using layers

• Network Standards
– importance of standards, standards making, common standards

• Future Trends
– pervasive networking, integration of voice, video, and data, new information services
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