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, , :
(Mean Time to Repair MTTR): , . . , [13] [14].
(Mean Time Between Failures MTBF): , (uptime). .
(Mean Time Between System Incidents MTBSI): . MTTR MTBF.
MTBF MTBSI , .
:
( ) , MTTR, MTBSI MTBF;
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[15]. , .
. , , . , , -, -, ( ).
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, CMDB (CL)[16], .
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