What are the most popular and widely deployed types of DSL?
The most popular and widely deployed types of DSL include the following: ADSL (Asymmetric Digital Subscriber Line): A version of DSL that delivers up to 8 Mbps downstream (i.e., downloading) and 640 Kbps upstream (i.e., uploading). ADSL is used mostly for down streaming where files can be downloaded very quickly from Internet server to client. SDSL (Symmetric Digital Subscriber Line): A version of DSL used to transmit voice and data in both directions simultaneously. DSL-Lite (also called G-Lite): A version of ADSL that delivers up to 1.5 Mbps downstream and 384 Kbps upstream.