F
- failure domain
The region in which a failure has occurred in a token ring. When a station gains information that a serious problem, such as a cable break, has occurred with the network, it sends a beacon frame that includes the station reporting the failure, its NAUN and everything between. This defines the failure domain. Beaconing then initiates the procedure known as autoreconfiguration. See also: autoreconfiguration and beacon.
- fallback
In ATM networks, this mechanism is used for scouting a path if it isn't possible to locate one using customary methods. The device relaxes requirements for certain characteristics, such as delay, in an attempt to find a path that meets a certain set of the most important requirements.
- Fast Ethernet ...
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