Instructor Resource Center, 5th Edition
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 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.
Broad coverage of key concepts and principles, presented in a technology-independent fashion. Drawing on more than 30 years’ experience at the leading edge of networking research and implementation,Comer focuses on imparting knowledge that students will need regardless of which technologies emerge or become obsolete.
Flexibly organized to support both top-down and bottom-up teaching approaches. Chapters may be sequenced in multiple orders to accommodate a wide variety of instructor/student/course needs and preferences. When presented in order, the book exposes students to applications and allows them to write network programs early, while delivering all material in logical order.
No sophisticated mathematics required. Instead of formal mathematical proofs, Comer presents highly accessible examples, figures, drawings, and analogies.
Exercises and projects in every chapter. Includes comprehensive, hands-on opportunities for students to test their knowledge and gain confidence in their abilities.
Features a CD-ROM of NetSim, a simulation based learning software. This abridged version contains an interface for simulations on Wireless LAN and TCP protocols, animations of Ethernet and ATM protocols and a C / C++ programming exercise for the shortest path algorithm. NetSim is an ideal companion for self learning, classroom teaching, labs and coding practice for skill enhancement. For further information visit www.tetcos.com
Companion web site. A web site for the text includes supporting material, such as photos of equipment, computer software, and lab exercises a reader can perform to reinforce concepts, as well as instructor materials, such as classroom presentations and copies of the figures. www.prenhall.com/comer
New to This Edition
Completely reorganized, revised, and updated to reflect the latest concepts and technologies, and deemphasize or eliminate older technologies.
Major new section on data communications. Covers topics ranging from information sources and signaling through transmission, modulation, modems, channelization, access, and interconnection technologies.
New chapter on network performance, including coverage of QoS and DiffServ.
Increased coverage of wireless technologies, including Bluetooth, Wi-Fi, WiMax, and 802.11-2007
Two new chapters on emerging Internet and networking trends, covering everything from virtualization to social networking applications.
A new introduction to cellular telephone networks and standards, designed to help readers participate in the coming cellular transition to Internet protocols.
New coverage of multimedia transport via the widely-used RTP protocol standard.
Table of Contents
1. Introduction and Overview
2. Internet Trends
3. Internet Applications and Network Programming
4. Traditional Internet Applications
PART II. Data Communication Basics
5. Overview Of Data Communications
6. Information Sources and Signals
7. Transmission Media
8. Reliability and Channel Coding
9/ Transmission Modes
10. Modulation and Modems
11. Multiplexing and Demultiplexing (Channelization)
12. Access and Interconnection Technologies
PART III. Packet Switching and Network Technologies
13. Local Area Networks: Packets, Frames, and Topologies
14. The IEEE MAC Sub-Layer
15. Wired LAN Technology (Ethernet and 802.3)
16. Wireless Networking Technologies
17. LAN Extensions: Fiber Modems, Repeaters, Bridges, and Switches
18. WAN Technologies and Dynamic Routing
19. Networking Technologies Past and Present
PART IV. Internetworking
20. Internetworking: Concepts, Architecture, and Protocols
21. IP: Internet Addressing
22. Datagram Forwarding
23. Support Protocols and Technologies
24. The Future IP (IPv6)
25. UDP: Datagram Transport Service
26. TCP: Reliable Transport Service
27. Internet Routing and Routing Protocols
PART V. Other Networking Concepts & Technologies
28. Network Performance (QoS and DiffServ)
29. Multimedia and IP Telephony (VoIP)
30. Network Security
31. Network Management (SNMP)
32. Trends In Networking Technologies and Uses
Appendix 1. A Simplified Application Programming Interface
Instructor Resource Center, 5th Edition
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About the Author(s)
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.
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.
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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