An Introduction to Computer Networks

Peter L Dordal
Department of Computer Science
Loyola University Chicago

Welcome to the website for An Introduction to Computer Networks, a free and open general-purpose computer-networking textbook, complete with diagrams and exercises. It covers the LAN, internetworking and transport layers, focusing primarily on TCP/IP. Particular attention is paid to congestion; other special topics include queuing, real-time traffic, network management, security and the ns simulator.

The book is suitable as the primary text for an undergraduate or introductory graduate course in computer networking, as a supplemental text for a wide variety of network-related courses, and as a reference work.

It is released under the Creative Commons license Attribution-NonCommercial-NoDerivs.

Further information about classroom use and about licensing is available in the preface, along with a list of new additions.

The current edition, 1.8, is available in the following forms:

A comment form is now available. Let me know what you think!

In the html versions the per-chapter table-of-contents sidebar is now collapsible, for better use of screen space on smaller devices. See the preface for more information on the unicode support necessary for the different versions.

Edition 1.0 of the book is permanently available as Online html, Zipped html, pdf and epub although most users are more likely to want the current version above.

Peter Dordal