6 links
Douglas Comer
cs.purdue.edu
This is the home page of Douglas Comer, the author of the book "Internetworking with TCP/IP".
Routing in the Internet
prenhall.com
A very comprehensive book on routing, written by Christian Huitema, from the Internet Architecture Board.
Softpanorama University Bookshelf / TCP/IP books
softpanorama.org
Critical reviews of several TCP/IP-related books. Recommendations for students.
The Internet Companion
archives.obs-us.com
Online version of the book "The Internet Companion". This book explains the basics of communication on the Internet and the applications available
Understanding Networking Technologies
netguru.net
Online course providing training on a host of networking topics.