Getting Google Apps to 99.99%

On January 14th, Google posted Service Level Agreement (SLA) related data as it applies to Google Apps for both business and individual customers.

In 2010, Gmail was available 99.984% of the time, which translates into approximately 7 minutes of downtime per month, and basically represents accumulation of small delays throughout the year.

Google Apps downtime and SAL for 2010

Google Apps Downtime 2010

Compatible data for Microsoft BPOS for 2010 shows 113 incidents, 74 unplanned outages and 33 days with planned downtime.

Considering the above data, Google Apps seems more reliable compared to Microsoft BPOS. In several blog posts, Microsoft reiterated that guaranteed uptime is one of the key priorities for BPOS and its future successor – Office365 that is currently in Beta.

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