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
What is this Feeling? and new?/I felt the moment I laid eyes on you/My pulse is rushing/My head is reeling/My face is flushing/What is this feeling?/Fervid as a flame/Does it have a name?"). The irony comes in when phrases traditionally used for love songs are revealed to be expressing hate. When Galinda and Elphaba describe each other, Galinda complains about Elphaba being "utterly impossible to describe", while Elphaba simply calls Galinda "blonde". At the end of the song, Elphaba scares Galinda, by saying "Boo", with Galinda letting out a high-pitched squeal. What is this Feeling? "What is this Feeling?" is a song from the