http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Introduction to data communication and networking
The book presents the fundamental concepts of data communication and networking. It emphasizes the physical layer; describes all issues related to the data link layer; discusses topics associated with the network layer; discribes the transport layer, upper layer which are normally combined in most protocols. The book also describes one of the most important protocols, TCP/IP