Add-drop multiplexer Add-drop multiplexer An add-drop multiplexer (ADM) is an important element of an optical fiber network. A multiplexer combines, or multiplexes, several lower-bandwidth streams of data into a single beam of light. An "add-drop" multiplexer also has the capability to "add" one or more lower-bandwidth signals to an existing high-bandwidth data stream, and at the same time can extract or "drop" other low-bandwidth signals, removing them from the stream and redirecting them to some other network path. This is used as a local "on-ramp" and "off-ramp" to the high-speed network. ADMs can be used both in long-haul core networks and in
This Is What You Came For This Is What You Came For "This Is What You Came For" is a song by Scottish DJ and record producer Calvin Harris, featuring Barbadian singer Rihanna. It was released on 29 April 2016, through Columbia Records and Westbury Road. The song was written by Taylor Swift, who was initially credited with the pseudonym Nils Sjöberg. Rihanna and Harris had previously collaborated on her sixth studio album, "Talk That Talk", which included the international chart-topper "We Found Love" and US top five single "Where Have You Been", the former of which was written and produced by Harris. He played the