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Uptime SLAs

Vendors publish services with a guaranteed or defined uptime SLA. This chart translates the uptime % into the actual seconds, minutes or hours of permitted downtime.

This chart is provided as a reference only. Please check with the vendor for the definition of the SLA, the metrics used to calculate the uptime and the exclusions.

Availability Downtime per year Downtime per month
99% 3.65 days 7.20 hours
99.9% 8.76 hours 43.8 minutes
99.95% 4.38 hours 21.6 minutes
99.98% 1.05 hours 5.26 minutes
99.99% 52.6 minutes 4.38 minutes