Computer Networks and Internets

"A very good example of client and server code - simple enough for beginners yet illustrative of the key points." ?Pradip K. Srimani, Professor, Colorado State University.

"Comer's text deals directly with technologies in wide application today, and the underlying theory... I've found it particularly useful with students who are professionals from other disciplines that need to understand the depth and breadth of networking in a one-semester course." ?Stanley A. Telson, Extension Instructor, University of California-Berkeley.

"Dr. Comer has a remarkable ability to write highly technical material in a way that beginners can easily understand." ?Barbara Hotta, Assistant Professor, Leeward Community College

"With Comer's book, I was able to spend a considerable amount of time on the exciting newer developments in application layer and web technology." ?Javed I. Khan, Assistant Professor, Kent State University

The Second Edition of this best-selling text continues to answer the question, "How do computer networks and internets operate?" Douglas Comer, a leading computer networking authority, provides a self-contained tour from the lowest levels of data transmission wiring through the highest levels of application software, explaining how facilities and services are used and extended in the next level. Finally, the text explains how applications use reliable stream transfer to provide high-level services.

Computer Networks and Internets is appropriate for use by undergraduate students, as well as graduate students and professionals with little or no background in networking or operating systems. The text uses analogies and examples to define concepts instead of sophisticated mathematical proofs. The book's four sections cover Low-Level Transmission, Packet Switching, Internetworking, and Network Applications.

New to the Second Edition

• Additions, updates, and changes throughout that cover the latest networking and internet technology.
• NEWChapter 2 discusses tools students can use to explore the Internet.
• NEW Chapter 11 covers long-distance digital connection technologies such as leased digital circuits (e.g., T1, T3, and OC3) and local loop technologies (e.g., ADSL and cable modems).
• NEW Chapter 32 surveys middleware and discusses general concepts and specific technologies (e.g., ONC RPC, DCE RPC, MSRPC, COM and DCOM, and CORBA).

• Animations.
• Data files.
• Photos of equipment and wiring.
• Complete instructional materials.

(NOTE: * indicates new chapters)
I. DATA TRANSMISSION.
1. Introduction.
2. Motivation and Tools.*
3. Transmission Media.
4. Local Asynchronous Communication (RS-232).
5. Long-Distance Communication (Carriers, Modulation, and Modems).

II. PACKET TRANSMISSION.
6. Packets, Frames, and Error Detection.
7. LAN Technologies and Network Topology.
8. Hardware Addressing and Frame Type Identification.
9. LAN Wiring, Physical Topology, and Interface Hardware.
10. Extending LANs: Fiber Modems, Repeaters, Bridges, and Switches.
11. Long-Distance Digital Connection Technologies.*
12. WAN Technologies and Routing.

III. INTERNETWORKING.
13. Network Ownership, Service Paradigm, and Performance.
14. Protocols and Layering.
15. Internetworking: Concepts, Architecture, and Protocols.
16. IP: Internet Protocol Addresses.
17. Binding Protocol Addresses (ARP).
18. IP Datagrams and Datagram Forwarding.
19. IP Encapsulation, Fragmentation, and Reassembly.
20. The Future IP (IPv6).
21. An Error Reporting Mechanism (ICMP).
22. TCP: Reliable Transport Service.
IV. NETWORK APPLICATIONS.
23. Client-Server Interaction.
24. The Socket Interface.
25. Example of a Client and a Server.
26. Naming with the Domain Name System.
27. Electronic Mail Representation and Transfer.
28. File Transfer and Remote File Access.
29. World Wide Web Pages and Browsing.
30. CGI Technology for Dynamic Web Documents.
31. Java Technology For Active Web Documents.
32. RPC and Middleware.*
33. Network Management (SNMP).
34. Network Security.
35. Initialization (Configuration).