SDSL (symmetric digital subscriber line) SDSL (symmetric digital subscriber line) is the one variation of DSL, in which the information is delivered at the same speed upstream
ADSL(Asymmetric Digital Subscriber Line) ADSL(Asymmetric Digital Subscriber Line) is the one variation of DSL, in which the information coming to the user’s home is delivered faster than the information that the user sends upstream.
Digital Subscriber Line (DSL) Digital Subscriber Line (DSL) is a digital technology that uses specially tuned telephone lines to deliver network and Internet access at