This completely revised version of the bestselling first edition offers updated information on current trends in technology development including SDH/SONET transmission, BISDN and ATM technology, and HDTV. It contains brand new material, covering state-of-the-art, emerging technologies including: broadband subscriber networks; synchronous optical transmission and network survivability; TCP/IP protocol suites and the Internet; wireless and IEEE high-speed LANs; data services in ATM networks; high-speed and real-time protocols; information superhighways and information infrastructures; and MPEG2. Supported by nearly 300 equations.