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99.99 % SLA: how much downtime it allows
A 99.99 % SLA allows 4 min 23 s of downtime per month.
- Per day
- 9 s
- Per week
- 1 min
- Per month
- 4 min 23 s
- Per quarter
- 13 min 9 s
- Per year
- 52 min 36 s
Comparison with other levels
| Availability | Per day | Per week | Per month | Per year |
|---|---|---|---|---|
| 99 % | 14 min 24 s | 1 h 40 min | 7 h 18 min | 3 d 15 h |
| 99.5 % | 7 min 12 s | 50 min 24 s | 3 h 39 min | 1 d 19 h |
| 99.9 % | 1 min 26 s | 10 min 5 s | 43 min 50 s | 8 h 45 min |
| 99.95 % | 43 s | 5 min 2 s | 21 min 55 s | 4 h 22 min |
| 99.99 % | 9 s | 1 min | 4 min 23 s | 52 min 36 s |
| 99.999 % | 1 s | 6 s | 26 s | 5 min 16 s |
Month = year / 12 (30.44 days). Total downtime each level allows, not counting scheduled maintenance.
Measure your real availability and prove it
We check your services every minute and each month generate the SLA report with availability, outages, their causes and excluded maintenance.