Of the world? Leading experts DSL, Implementation and Application of DSL technology is built on the theory presented in the Fundamentals of DSL Technologies to discuss issues important to the success of DSL technology, including those in the process of DSL development, constraints, and challenges. Since testing has become an industry in itself, several chapters describe the various types of testing required for qualification services, the evolution of testing and the provision of services from regular old phone service, loop qualification, and regulators? S spectrum management decisions. Offering a huge array of information currently not in the public domain, Implementation and Application of DSL technology to provide a survey that describes the strict application of DSL technology profound effect this is having on the communications industry. When combined with the Fundamentals of DSL technology, this is a comprehensive and authoritative source of most information in the DSL.