Difference between revisions of "Availability (quantitative)"

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Latest revision as of 00:20, 25 February 2009


The probability that a system will be available for operation at an arbitrarily chosen instant in the future. It may be expressed as the ratio MTBF/(MTBF + MTTR).

Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)