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Please help if you can. ( February 2011) () Douglas Earl Comer is a professor of at, where he teaches courses on. 
He has written numerous research papers and textbooks, and currently heads several networking research projects. He has been involved in and internetworking since the late 1970s, and is an internationally recognized authority. He designed and implemented X25NET and Cypress networks, and the operating system. He is director of the Internetworking Research Group at Purdue, editor of Software - Practice and Experience, and a former member of the.
Books On Computer Networking From Douglas Comer The Internet Book: Everything you need to know about computer networking and how the Internet works, 5th Edition 2018. Computer Networks and Internets By: Douglas E. 1 How do Computer Networks and Internets Operate? 2 Explosive growth 3 Intern et 4 Economic impact. O ping - sends message that is echoed by remote computer o traceroute - reports path to remote computer.
Comer completed the original version of Xinu (and wrote correspondent book The Xinu Approach) in 1979. Since then, Xinu has been expanded and ported to a wide variety of platforms, including:,, and,, and,. It has been used as the basis for many research projects. Furthermore, Xinu has been used as an embedded system in products by companies such as,,,. Contents • • • • • • • • Education and career [ ] Comer holds a in and from earned in 1971 and a in from earned in 1976. He is a of Computer Science and of and at in the. Beginning in the late 1970s he started his continuing research into, which has earned him international fame in the field of.
Achievements [ ] Douglas Comer headed a number of research projects associated with the creation of the Internet, and is the author of a number of books on Operating Systems, the Internet and networking, and computer architecture. Comer is also the developer of the operating system. Comer is well known for his series of ground breaking textbooks on computer networks, the Internet, computer operating systems, and computer architecture. His books have been translated into sixteen languages, and are widely used in both industry and academia. Comer's three-volume series Internetworking With TCP/IP is often cited as an authoritative reference for the Internet protocols. For twenty years, Comer served as editor-in-chief of the research journal Software—Practice And Experience, published by John Wiley & Sons. Comer is a Fellow of the ACM and the recipient of numerous teaching awards.
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.