State-of-the-art in perspective, this text provides a comprehensive, single-source overview of broadband technologies in the Wide Area Network (WAN) environment. Written from a generalist point of view, it offers a technically accessible presentation that can be understood by anyone with only basic knowledge of the data processing/data communications environment. The text is organized into categories of broadband technologies that match the requirements to today's job market—e.g., Frame Relay, ATM, DSL, and Wireless (PCS/Wireless).