There's a great website called http://whoownsmyavailability.com that serves as a reminder to me (and all of us) that external dependencies are, in fact, external. As such, they are calculated risk
s with tradeoffs. CDNs are great, but for those minutes or hours that they go down a year, they can be super annoying. I saw a tweet today declaring that the ASP.NET Content Delivery Network was down. I don't work for the CDN team but I care about this stuff (too much, according to my last performance review) so I turned twitter to figure this out and help diagnose it. The CDN didn't look down from my vantage point. I searched for things like "ajax cdn,"microsoft cdn," and "asp.net cdn down" and looked at the locations...(
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