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Sounds like their overall uptime is still several sigmas deep. Comparable, if not higher than AWS even?


Where do you get that info from? Isn't it a little early to extrapolate long-term uptime stats for a new service like O365? Maybe you were referring to the cloud infrastructure only, and not the app layer?


The article contained some numbers. Approximately 4 hours of down time in a year and a half.


The actual Exchange Online infrastructure has been up and running in production for a couple of years supplying the Live@EDU service.




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