Asymmetric technologies deliver different speeds in each direction.
Shared connection vs. dedicated line Depending on the technology, the speed or bandwidth may or may not be shared by multiple users. Necessity of a phone line different technologies may or may not require a regular phone line to communicate in one direction generally in the upstream direction. A wireline technology popularly deployed by traditional phone companies. It uses the traditional copper lines to the home to transmit and receive high speeds of data. There are several variants of this technology that support different speeds and characteristics.