Computer Networking, A systems approach. A great book. Highly recommended. http://www.amazon.com/Computer-Networks-Third-Approach-Networking/dp/155860832X/ref

Computer Networking, A systems approach. A great book. Highly recommended. http://www.amazon.com/Computer-Networks-Third-Approach-Networking/dp/155860832X/ref=sr_1_2?ie=UTF8&s=books&qid=1267039031&sr=8-2 http://www.amazon.com/Computer-Networks-Third-Approach-Netwo... Of course, one of the classics is this one: Internetworking with TCP/IP vol. 1. http://www.amazon.com/Internetworking-TCP-Vol-1-Principles-Architecture/dp/0130183806/ref=pd_sim_b_60 http://www.amazon.com/Internetworking-TCP-Vol-1-Principles-A... Edit: If you are considering Linux, then the implementation is discussed here. I would not suggest this, unless you are actually hacking. In that case, this is okay: http://www.amazon.com/Understanding-Network-Internals-Christian-Benvenuti/dp/0596002556/ref=sr_1_2?ie=UTF8&s=books&qid=1267039175&sr=1-2 http://www.amazon.com/Understanding-Network-Internals-Christ...