Data Communications, Computer Networks, and Open Systems

This work provides a comprehensive introduction to data communications and computer networks. It is revised and updated to keep abreast of rapid developments that have taken place in the area. It features: detailed coverage of the fundamentals of data communication, including essential theory associated with digital transmission, interface standards, data compression and error detection methods; a complete description of the protocols in both the TCP/IP and OSI suites; extensive use of diagrams throughout to clarify and explain the subjects discussed; and a detailed description of how protocols are formally specified, with a methodology for their implementation.