Computer Networks and Internets is appropriate for all introductory-to-intermediate courses in computer networking, the Internet, or Internet applications; readers need no background in networking, operating systems, or advanced mathematics.
Leading networking authority Douglas Comer presents a wide-ranging, self-contained tour of the concepts, principles, and technologies that enable today’s Internet to support applications ranging from web browsing to telephony and multimedia. This Fifth Edition has been thoroughly reorganized, revised, and updated: it includes extensive new coverage of topics ranging from wireless protocols to network performance, while reducing or eliminating coverage of older protocols and technologies. Comer begins by illuminating the applications and facilities offered by today’s Internet. Next, he systematically introduces the underlying network technologies and protocols that make them possible: low-level data communications; packet switching, LAN, and WAN technologies; and Internet protocols such as TCP, IP, UDP, and IPv6. With these concepts and technologies established, he introduces several of the most important contemporary issues faced by network implementers and managers, including quality of service, Internet telephony, multimedia, network security, and network management. Comer has carefully designed this book to support both top-down and bottom-up teaching approaches. Students need no background in operating systems, and no sophisticated math: Comer relies throughout on figures, drawings, examples, and analogies, not mathematical proofs.
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"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 LabsFrom 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:
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