Ever wondered terminology of Number of 9's in SLA. See the actual downtime offered by multiple vendors in market.
Number of 9’s |
Availability Percentage |
Total Annual Downtime |
2 |
99% |
3 days, 15 hours |
3 |
99.90% |
8 hours, 45 minutes |
4 |
99.99% |
52 minutes, 34 seconds |
5 |
99.999% |
5 minutes, 15 seconds |
Hope this helps understanding SLA
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