failover

  1. Noun.  (computing, uncountable) A means for ensuring high availability of some critical resource (such as a computer system), involving a parallel, backup system which is kept running at all times so that, upon detected failure of the primary system, processing can be automatically shifted over to the backup.
  2. Noun.  (computing, countable) An automatic switch to a secondary system on failure of the primary system.

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This entry was last updated on RefTopia from its source on 3/20/2012.