ADSL – Asymmetric Digital Subscriber Line

ADSL is a type of digital subscriber line (DSL) technology, which is used to connect computers to the Internet. It uses a copper telephone line, but unlike regular dial-up service, it does not interfere with voice telephone calls.

ADSL was first introduced in the late 1990s as a way to provide high-speed Internet access over traditional phone lines. The technology quickly gained popularity due to its high speeds and low costs. Today, ADSL is one of the most common types of broadband Internet access in many countries around the world.

There are two main types of ADSL: asymmetric DSL (ADSL) and rate-adaptive DSL (RADSL). As their names suggest, these two technologies differ in how they handle data traffic on the line. With ADSL, most of the bandwidth is reserved for downstream traffic (from the ISP to your computer), while RADSL evenly splits upstream and downstream traffic.


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