9780131433519

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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.

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.

Computer Networks and Internets: With Internet Applications: Search Results