Douglas E. Comer , "Internetworking with TCP/IP"(repost)

For junior-to-graduate level courses in Computer Networks, Data Networks, Network Protocols, and Internetworking. The all-time best-selling TCP/IP book by leading author Doug Comer, Volume I provides a broad, conceptual introduction to the TCP/IP internetworking protocols and the connected TCP/IP internet. Comer discusses layering, and shows how all protocols in the TCP/IP suite fit into the 5-layer model. In addition to fundamentals, the latest technologies are covered. It reviews network hardware, including wide area and local area technologies.