Definition – What does DSL mean?
Digital Subscriber Line is a telephony technology that transports high-bandwidth data over a simple telephone line that is connected to the modem. This allows for file sharing, transmission of picture and graphics, multimedia data, conferencing and much more. DSL technology uses the analog medium that is reliable and prevents interruptions and heavy packet loss. The technology is fast and provides low user subscription rates.
Glossary Web explains DSL
Originally, DSL is a part of ISDN (Integrated Services Digital Network) specification launched in 1984. In the start, ISDN was being used for point-to-point connection for different kinds of data sharing, and with after a few time it increases the size of networks, ISDN gave a low data speed because of various issues, from interruptions in telephone lines to a natural faction like rain and fog. After the failure of ISDN, DSL emerged and started providing broadband connections over an analog medium with the efficient network environment. Primarily, DSL uses copper wires and fiber optic cables as its transmission medium.