Remote wakeup (RWU) is a general term for the powering-up of (turning on) a computer over a
network. Intel's Wired for Management (WfM) network specification includes this feature. Remote
wakeup can be done over a dial-up connection as well as within a local area network (LAN) (where Wake on LAN
is one approach to remote wakeup).
One implementation of remote wakeup makes use of AMD's Magic Packet technology, in which the MAC
(media access control), or node, address of the intended computer is repeated 16 times. The remote
computer is equipped with a program that recognizes this signal, causing it to power-up. Remote
wakeup is useful for downloading software updates or reconfiguring computers during off-hours when
they are usually turned off.
This was last updated in September 2005
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