Rent 9780136061274 | Computer Networks and Internets | Comer, Douglas E. @knetbooks.com

Summary Table of Contents Author Biography

Douglas E. Comer is Distinguished Professor of Computer Science at Purdue University, where he has taught courses on networking, internetworking, computer architecture, and operating systems.

Appropriate for all introductory-to-intermediate courses in computer networking, the Internet, or Internet applications; students 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 ... MOREtechnologies 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.

Written by a best-selling author and leading computer networking authority, this updated book builds a comprehensive picture of the technologies behind Internet applications. It 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 book 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. Emphasis on Internet technologies and applications provides readers with substantial sections on Internetworking and Network Applications.For individuals with little or no background in the subject.

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.

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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.

Preface
Introduction and Internet Applications
Introduction and Overview
Internet Trends
Internet Applications and Network Programming
Traditional Internet Applications
Data Communication Basics
Overview Of Data Communications
Information Sources and Signals
Transmission Media
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Modulation and Modems
Multiplexing and Demultiplexing (Channelization)
Access and Interconnection Technologies
Packet Switching and Network Technologies
Local Area Networks: Packets, Frames, and Topologies
The IEEE MAC Sub-Layer
Wired LAN Technology (Ethernet and 802.3)
Wireless Networking Technologies
LAN Extensions: Fiber Modems, Repeaters, Bridges, and Switches
WAN Technologies and Dynamic Routing
Networking Technologies Past and Present
Internetworking
Internetworking: Concepts, Architecture, and Protocols
IP: Internet Addressing
Datagram Forwarding
Support Protocols and Technologies
The Future IP (IPv6)
UDP: Datagram Transport Service
TCP: Reliable Transport Service
Internet Routing and Routing Protocols
Other Networking Concepts & Technologies
Network Performance (QoS and DiffServ)
Multimedia and IP Telephony (VoIP)
Network Security
Network Management (SNMP)
Trends In Networking Technologies and Uses
A Simplified Application Programming Interface
Index
Table of Contents provided by Publisher. All Rights Reserved.

Dr. Douglas Comer is an internationally recognized expert on TCP/IP protocols, computer networking, and the Internet. One of the researchers who contributed to the Internet as it was being formed in the late 1970s and 1980s, he was a member of the Internet Architecture Board, the group responsible for guiding the Internet's development. He was also chairman of the CSNET technical committee, a member of the CSNET executive committee, and chairman of DARPA's Distributed Systems Architecture Board.

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Comer has consulted for industry on the design of computer networks. In addition to giving talks in US universities, each year Comer lectures to academics and networking professionals around the world. Comer's operating system, XINU, and implementation of TCP/IP protocols (both documented in his textbooks), have been used in commercial products.

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Comer is a Distinguished Professor of Computer Science at Purdue University. He is currently on leave from Purdue, serving as VP of Research Collaboration at Cisco Systems. Recently, Comer has taught courses on networking, internetworking, computer architecture, and operating systems. He has developed innovative labs that provide students with the opportunity to gain hands-on experience with operating systems, networks, and protocols. In addition to writing a series of best-selling technical books that have been translated into 16 languages, he served as the North American editor of the journal Software ��Practice and Experience for 20 years. Comer is a fellow of the ACM. For additional information, visit his web site.

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