Choosing a CDN

Posted by Mike Brittain on January 15, 2010
WWW

I thought this was a good article covering 8 Things to Consider When Choosing a CDN.  It’s worth a read.

The only bit I would disagree with is that this reads a bit too video-centric for me.  It felt like the main argument for using a CDN is that you don’t have enough bandwidth at your own data center to handle all of the requests being made to your servers.

I use CDNs for delivering static objects like images, CSS, and JavaScript.  An additional consideration I have is how fast cached objects will reach different locations across the country or around the world.  I’m dependent (as most sites are) on one central data center where my pages are being generated.  Every page view needs to make that trip over the network from the browser to my data center.  However, if the 20-100 successive objects can be requested from a regional CDN node, the performance in the end-user’s browser will be much better than if every request made a full trip across the country.

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