Delivering high speed access via DSL

This thesis examines the superiority of DSL (Digital Subscriber Line) as a technology that provides a simultaneous use of the existing twisted pair local loop to support highspeed data traffic and analog voice phone. The thesis also examines other technologies such as cable modem, Tl, and wireless, against the impact on the PSTN (Public Switched Telephone Network) and the capability of providing broadband services. DSL and its biggest competitor, cable modem, are investigated in greater detail than other technology emphasizing on economical feasibility, and the technical viability. At the end, it concludes that DSL is superior technology in many aspects in providing high-speed broadband services for different niches market.