数据通信、计算机网络与开放系统原书第4版

Highlights of the book include detailed coverage of: The essential theory associated with digital transmission Digital leased circuits including PDH, SONET and SDH Protocol basics including specification and implementation methods Legacy and wireless LANs High-speed LANs including 100BaseT and 100 VG AnyLAN Transparent and source routing bridges Packet switching and frame relay networks and their protocols Internetworking architectures, protocols and routing algorithms Multiservice broadband networks including ATM LANs and MANs The TCP/IP and OSI application protocols including X.400 and X.500 Data encryption and network security algorithms Network management architectures including SNMP and CMIP Fully revised and updated, the fourth edition includes new chapters on broadband multi-service networks, a revamped chapter with extended and updated coverage of FDDI, and a new section on Fast Ethernet, covering 100BaseT, 100Base X, wireless LANs, and several additional candidate technologies. 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.