xDSL technologies offer telephone companies a way to deliver high-speed Internet access and other applications, across the copper phone lines they've already installed. In this book, an exceptional team of xDSL experts introduces everything an engineer, manager or marketing professional needs to know to get started with DSL.KEY TOPICS:Coverage includes xDSL applications, network architecture, network management, network operations, communications, protocols, standards and regulatory issues. The authors also cover the underlying technologies -- including 1.5 Mb/s high-bit-rate DSL (HDSL), 6 Mb/s Asymmetric Digital Subscriber Line (ADSL), and 52 Mb/s Very High Bit Rate DSL (VDSL). DSL technologies are revolutionary, and whether you're new to them or simply in need of a convenient reference, you'll find this book invaluable. MARKET:Telecommunications engineers, managers and marketing professionals at phone companies, other service provider firms, and equipment vendors; as well as many corporate telecommunications managers.