Availability: Difference between revisions
From CasGroup
Jump to navigationJump to search
No edit summary |
|||
| Line 1: | Line 1: | ||
'''Availability''' is the probability of a system to be operational | '''Availability''' is the probability of a system to be operational | ||
when needed. It is associated with the percentage of time that the [[System|system]] | when needed. It is associated with the percentage of time that the [[System|system]] | ||
Latest revision as of 16:23, 11 February 2011
Availability is the probability of a system to be operational when needed. It is associated with the percentage of time that the system is available. High availability is a very desirable property, but is not easy to achieve in distributed systems, where each process or node can fail at any time.