Netwoing in the Internet Age By Alan DennisCopyright C 2002.ppt

Networking in the Internet Age By Alan DennisCopyright ? 2002 John Wiley Sons, Inc. Copyright ? 2002 John Wiley Sons, Inc. All rights reserved. Reproduction or translation of this work beyond that named in Section 117 of the United States Copyright Act without the express written consent of the copyright owner is unlawful. Requests for further information should be addressed to the Permissions Department, John Wiley Sons, Inc. Adopters of the textbook are granted permission to make back-up copies for their own use only, to make copies for distribution to students of the course the textbook is used in, and to modify this material to best suit their instructional needs. Under no circumstances can copies be made for resale. The Publisher assumes no responsibility for errors, omissions, or damages, caused by the use of these programs or from the use of the information contained herein. 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 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 Introduction A Second Industrial Revolution In the Industrial Revolution, machines transformed work and new organizational forms came into existence. The use of computers and data communications networks has been termed the ‘second industrial revolution’, because it i