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Jesper's Blog » How Not To Build a Highly Available Web Site

How Not To Build a Highly Available Web Site

Here's what I just got when I went to http://www.technetmagazine.com:

Here's the kicker: it's not TechNet Magazine that is down, nor even TechNet. It is Microsoft Live Sign-in, nee Passport. To get to TechNet it attempts to sign you in to Passport/Live sign-in. Accounts are apparently distributed across servers, and the one holding my account is down, so I can't get to anything that uses it, including the Microsoft.com homepage!

If you want to decrease the uptime on your web site, take a run-time dependency on an unreliable and unnecessary service.

Read the complete post at http://msinfluentials.com/blogs/jesper/archive/2008/07/22/how-not-to-build-a-highly-available-web-site.aspx

Posted Tue, Jul 22 2008 11:45 PM by Jesper's Blog
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