SLA level of 99.95 % uptime/availability gives following periods of potential downtime/unavailability:

• Daily: 43.2s
• Weekly: 5m 2.4s
• Monthly: 21m 54.9s
• Yearly: 4h 22m 58.5s

Link to this page: uptime.is/99.95

The SLA calculator assumes a requirement of continuous uptime (i.e. 24/7 all year long) with following additional approximations (as described in the source):

• 365.243 days per year
• 52.178 weeks per year
• 30.437 days per month
• 4.348 weeks per month

http://downdetector.com/status/windows-azure/news/17705-problems-at-windows-azure-2

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