Uptime and downtime with 99.99999 % SLA
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SLA level of 99.99999 % uptime/availability results in the following periods of allowed downtime/unavailability:
- Daily: 0.0086s
- Weekly: 0.06s
- Monthly: 0.26s
- Quarterly: 0.78s
- Yearly: 3.1s
Direct link to the page with these results: uptime.is/99.99999
(or uptime.is/seven-nines
)
The SLA calculations assume a requirement of continuous uptime (i.e. 24/7 all year long) with additional approximations as described in the source. uptime.is was originally implemented in newLISP, which had powered uptime and downtime calculations for more than a decade.
For convenience, there are special CEO and SEO friendly links for N nines: three nines, four nines, five nines, six nines etc.