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 It Feels Like on 4 October 2013. This Is What It Feels Like "This Is What It Feels Like" is a song by Dutch DJ and record producer Armin van Buuren. It features vocals from Canadian singer and songwriter Trevor Guthrie. The song was released in the Netherlands by Armada Music as a digital download on 29 April 2013 as the second single from van Buuren's fifth studio album "Intense". It became a top 10 hit in ten countries. In the Netherlands, the song peaked at number 3 on the Dutch Top 40. "This Is What It Feels Like" became van Buuren's first