availability - The degree to which a system suffers degradation or interruption in its service to the customer as a consequence of failures of one or more of its parts.
One of the components of RAS.
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дс тдрлими цюлютдажкию дроемжки аиакиохдйис лидр
http://foldoc.doc.ic.ac.uk/foldoc/foldoc.cgi;
