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Computer Networks, Fourth Edition
book

Computer Networks, Fourth Edition

by Andrew S. Tanenbaum
August 2002
Intermediate to advanced content levelIntermediate to advanced
912 pages
27h 47m
English
Pearson
Content preview from Computer Networks, Fourth Edition

Chapter 7. The Application Layer

Having finished all the preliminaries, we now come to the layer where all the applications are found. The layers below the application layer are there to provide reliable transport, but they do not do real work for users. In this chapter we will study some real network applications.

However, even in the application layer there is a need for support protocols, to allow the applications to function. Accordingly, we will look at one of these before starting with the applications themselves. The item in question is DNS, which handles naming within the Internet. After that, we will examine three real applications: electronic mail, the World Wide Web, and finally, multimedia.

DNS—The Domain Name System

Although programs ...

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Publisher Resources

ISBN: 0130661023Purchase book