Student Resources
Data and Computer Communications, Seventh Edition

Last updated: Sunday, February 11, 2007

Useful Documents

ASCII-IRA: A description of the International Reference Alphabet (IRA), also known as ASCII.
TCP/IP Checksum: Describes the error-detection calculation used by TCP, IP, and some other protocols.
Sampling Theorem: A proof of this useful theorem.
Sockets: A detailed programmer's introduction.
Standards Organizations: A review of some important standards-making organizations, including IETF, ITU, ISO, IEEE 802, and ATM Forum.
URL/URI: Describes Uniform Resource Locators and Uniform Resource Identifiers.
Augmented BNF: Described the formal language used in a number of RFCs. It is used to define the format of RFC 822 email messages, Web addresses, and other specifications.
Derivations: In a number of places in the book, I skip some steps in deriving a result. More detailed derivations are provided here.

Useful Web Sites

Computer Science Student Resource Site: Help and advice for the long-suffering, overworked student.
Errata sheet: Latest list of errors, updated at most monthly. File name is Errata-DCC7e-mmyy. If you spot any errors, please report them to .
cnet Simulator: Developed by Professor Chris McDonald at the University of Western Australia. The cnet network simulator enables experimentation with various data link layer, network layer, routing and transport layer protocols, and with various network configurations.
Tools Page: Developed by Professor Kenneth Christensen at the University of South Florida. The tools page contains downloadable tools primarily related to performance evaluation of computer networks and to TCP/IP sockets programming. .
Projects Manual: This manual, developed by Prentice Hall, contains over 40 exercises that are suitable for use with Data and Computer Communications. It is available at a discount for courses using this textbook.
Standards: Variety of information on standards and standards bodies, provided by the IEEE Standards in Education Task Force.
Data Link Simulator: Developed by Peter King at Heriot-Watt University, Edinburgh. This tool enables students to write connection oriented data link protocols in Java and have them tested on a simulated communication channel.
Animation of Computer Networking Concepts: Provides a Web-based introduction to computer networks for non-CS majors. Although elementary, it provides a useful feel for some key concepts..
On-line Simulation: Ann Burroughs, an Associate Professor at Humboldt State University has created two simulations that may help you visualize some of the concepts in the book. They require ShockWave plug-ins and a reasonably up-to-date browser.

Chapter 0 - Reader's Guide

Network World: Information and links to resources about data communications and networking.
IETF Directory and Database: Maintains archives that relate to the Internet and IETF activities. Includes keyword-indexed library of RFCs and draft documents as well as many other documents related to the Internet and related protocols.
Vendors: Links to thousands of hardware and software vendors who currently have WWW sites, as well as a list of thousands of computer and networking companies in a Phone Directory.
IEEE Communications Society: Good way to keep up on conferences, publications, etc. Has an on-line copy of my article on IPv6, which updates material in the book.
ACM Special Interest Group on Communications (SIGCOMM): Good way to keep up on conferences, publications, etc
International Telecommunications Union: Contains a listing of ITU-T Recommendations, plus information on obtaining ITU-T documents in hard copy or on DVD.
International Organization for Standardization: Contains a listing of ISO Standards, plus information on obtaining ISO documents in hard copy or on CD-ROM.
CommsDesign: Lot of useful articles, tutorials, and product information. A bit hard to navigate, but worthwhile.

Chapter 2 - Protocol Architecture

TCP/IP Resources List: A useful collection of FAQs, tutorials, guides, Web sites, and books about TCP/IP
Networking Links: Excellent collection of links related to TCP/IP.
The Bongo Project: Running IP over bongo drums. An excellent demonstration of the flexibility of a layered protocol architecture and a source of ideas for projects.
OSI History: A brief history of the origins of the OSI model.

Chapter 3 - Data Transmission

Fourier Series Synthesis: An excellent visualization tool for Fourier series.
Johns Hopkins Signals Demonstrations: Another source of visualization tools.
Math and Physics Applets: Yet another source of visualization tools.

Chapter 4 - Transmission Media

Wireless Developer Network: News, tutorials, and discussions on wireless topics
Siemon Company: Good collection of technical articles on cabling, plus information about cabling standards.
About Antennas: Good source of information and links.
U.S. Frequency Allocation Chart: Chart plus background paper.

Chapter 8 - Multiplexing

DSL Forum: Includes a FAQ and technical information about ADSL and other xDSL technology. Forum specifications.
Network and Services Integration Forum: Discusses current SONET products, technology, and standards.
SONET Home Page: Useful links, tutorials, white pages, FAQs.

Chapter 9 - Spread Spectrum

Spread Spectrum Scene: Excellent source of information, including technical papers, links, and an online magazine.

Chapter 10 - Circuit Switching and Packet Switching

Frame Relay Resource Center: Good source of information on frame relay.
Frame Relay Resource: Good source of tutorials, service providers, and other links.

Chapter 11 - ATM

ATM Hot Links: Excellent collection of white papers and links.
MFA Forum: An industry forum to promote MPLS, frame relay, and ATM. Contains documents, vendor information, and links.
Cell Relay Retreat: Contains archives of the cell-relay mailing list, links to numerous ATM-related documents, and links to many ATM-related web sites.

Chapter 14 - Cellular Wireless Networks

CDMA Development Group: A consortium of wireless companies active in CDMA wireless systems around the world.
Cellular Telecommunications and Internet Association: Another industry consortium.
3G Americas: A trade group of Western Hemisphere companies supporting TDMA, GSM, GPRS, EDGE, and UMTS. Includes industry news, white papers, and other technical information.

Chapter 15 - LAN Overview

IEEE 802 LAN/MAN Standards Committee: Status and documents on all of the working groups.

Chapter 16 - High-Speed LANs

Ethernet: Provides general Ethernet information, technical specifications, an Ethernet reading list, and an image of inventor Robert Metcalf's original 1976 Ethernet drawing.
IEEE 802.3 10 Gbps Ethernet Task Force: This group is developing a 10-Gbps Ethernet standard. The Web site includes an email archive and the documentation developed so far.
Fibre Channel Industry Association: An industry consortium.
Storage Network Industry Association: An industry forum of developers, integrators, and IT professionals who evolve and promote storage networking technology and solutions
CERN Fibre Channel homepage: Good source of info on Fibre Channel technology, products, etc.
LAN Interoperability Lab: University of New Hampshire (equipment testing for ATM, FDDI, Fast Ethernet, FDSE, Ethernet, OSPF, Network Management (SNMP), Token Ring, VG-AnyLAN).

Chapter 17 - Wireless LANs

Wi-Fi Alliance: An industry group promoting the interoperabiltiy of 802.11 products with each other and with Ethernet.
IEEE 802.11 Wireless LAN Working Group: Contains working group documents plus discussion archives.
Wireless LAN Association: Gives an introduction to the technology, including a discussion of implementation considerations, and case studies from users. Links to related sites.

Chapter 18 - Internet Protocols

IPv6: Contains information about IPv6 and related topics.
IPv6 Forum: An industry consortium that promotes IPv6-related products. Includes a number of white papers and articles.
IPv6 Working Group: Chartered by IETF to develop standards related to IPv6. The Web site includes all relevant RFCs and Internet drafts.

Chapter 19 - Internetwork Operation

RSVP Project: Home page for RSVP development.
IP Performance Metrics Working Group: Chartered by IETF to develop a set of standard metrics that can be applied to the quality, performance, and reliability of Internet data delivery services.The web site includes all relevant RFCs and Internet drafts.
Inter-Domain Routing Working Group: Chartered by IETF to revise BGP and related standards. The web site includes all relevant RFCs and Internet drafts.
OSPF Working Group: Chartered by IETF to develop OSPF and related standards. The web site includes all relevant RFCs and Internet drafts.

Chapter 20 -Transport Protocols

Center for Internet Research: One of the most active groups in the areas covered in this chapter. The site contains many papers and useful pointers.
TCP-Friendly Website: Summarizes some of the recent work on adaptive congestion control algorithms for non-TCP based applications, with a specific focus on schemes that share bandwidth fairly with TCP connections.
TCP Maintenance Working Group: Chartered by IETF to make minor revisions to TCP and to update congestion strategies and protocols. The web site includes all relevant RFCs and Internet drafts.

Chapter 21 - Network Security

COAST: Comprehensive set of links to sites related to cryptography and network security.
IETF Security Area: Provides up-to-date information on Internet security standardization efforts.
The Cryptography FAQ: Lengthy and worthwhile FAQ covering all aspects of cryptography.
Tom Dunigan's Security Page: An excellent list of pointers to cryptography and network security web sites.
IEEE Technical Committee on Security and Privacy: An excellent list of pointers to cryptography and network security web sites.

Chapter 22 - Distributed Applications

SMTP/MIME RFCs: A complete list, maintained by IETF.
Simple Web Site: Maintained by the University of Twente. It is a good source of information on SNMP, including pointers to many public-domain implementations and lists of books and articles.
World Wide Web Consortium: Contains up-to-date information on HTTP, HTML, and URLs.

Appendix A - RFCs

RFCs: IETF RFC repository. Includes a complete list of all RFCs, constantly updated.

Appendix C - Sockets Programming

Windows Sockets Development Information: A guide to users of WinSock, including sample source code and links to other pages.
UNIX Socket FAQ: Good list of questions and answers.
Beej's Guide to Network Programming: Using Sockets..
Windows Sockets: A Quick and Dirty Primer: By Jim Frost.