Computer Networks and Internets (4th Edition)

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9780131433519: Computer Networks and Internets (4th Edition)

For one-semester, undergraduate/graduate introductory computer networking courses in Computer Science, Electrical Engineering, CIS, MIS, and Business Departments.

Written by a best-selling author and leading computer networking authority, this text builds a comprehensive picture of the technologies behind Internet applications. Ideal for those with little or no background in the subject, the book answers the basic question “how do computer networks and Internets operate?” in the broadest sense and includes an early optional introduction to network programming and applications. The text provides a comprehensive, self-contained tour through all of networking from the lowest levels of data transmission and wiring to the highest levels of application software, explaining how underlying technologies provide services and how Internet applications use those services. At each level, it shows how the facilities and services provided by lower levels are used and extended in the next level. For instructors who want to emphasize Internet technologies and applications, the book provides substantial sections on Internetworking and Network Applications that can serve as a focus for a course. An accompanying multimedia CD-ROM and Website provide opportunities for a variety of hands-on experiences.

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Review:

"I just could not put it down before I finished it. It was simply superb." — Lalit y. Raju, Regional Engineering College, India

"An excellent book for beginners and professionals alike. The coverage is comprehensive and up-to-date (including IP Telephony and NAT). The chapters are concise and easy to follow, a hallmark of Dr. Comer's writing style." -John Lin, Bell Labs

From the Back Cover:

Best-selling author and leading computer networking authority Douglas Comer builds a comprehensive picture of the technologies that allow the Internet to provide application services such as web browsing and instant messaging. This edition includes new chapters on the use of Internet technology.

The book offers an incomparable tour that explains everything from Internet applications to the lowest levels of packet transmission. It shows how protocols are layered, and explains how a given layer provides services used by the next higher layer.

KEY FEATURES

Revised and updated throughout, including:

  • FAQ email list with answers to questions from a leading networking authority
  • NEW—Chapter 24, User Datagram Protocol: Introduces an end-to-end datagram protocol and shows how to use it. Once considered insignificant, UDP forms the important basis for multicast and broadcast applications and new applications that transfer audio or video.
  • NEW—Chapter 26, Network Address Translation (NAT): Explains how NAT technology overcomes a major limitation of the Internet by allowing multiple computers to share a single IP address, especially important for residential and small business installations.
  • NEW—Chapter 33, IP Telephony: Discusses the most exciting new Internet application, transmitting telephone calls over the Internet (VoIP). The chapter explains competing standards for IP telephony, including protocols such as H.323, Session Initiation Protocol (SIP), and MegacoIt also shows a sample SIP session.
  • Includes a CD-ROM with animations, packet traces, more than 200 photos of networking equipment, code from the book and copies of protocol standards. A Web site with additional items including instructional materials is at http://netbook.cs.purdue.edu
  • Accompanying lab manual, Hands-On Networking with Internet Technologies, Second Edition, offers an integrated package for teachers.

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