We’re a big fan of open source here at Voxel, and have recently been expanding our support by donating hosting through our global VoxCAST CDN. For over a year now we’ve been mirroring Sourceforge on VoxCAST, hitting near-daily peaks of 300Mb/s.

Lately we’ve been working with Reed Loden @ Mozilla to set up a Mozilla mirror with VoxCAST, and it was up and running just in time for the Firefox 3.5 release.

Over the past 24 hours, we’ve served about 7+ TB out of our mirror, handling 7+ million requests.

I’m not exactly sure how they chose to send traffic our way, but we served nearly as much out of Europe as we did in the US, and a nice chunk out of Asia. For those interested, here’s a breakdown of the day by consolidated network locations we served Mozilla data out of:

  • New York – 970k requests, 1TB
  • Chicago – 400k requests, 500GB
  • DC – 1M requests, 1TB
  • San Jose – 1M requests, 1.1TB
  • Amsterdam – 3M requests, 3TB
  • Singapore – 800k requests, 500GB

Just before 5pm EDT, our mirror peaked around 4.5 Gb/s. The aggregated graph below is a good example of what can happen to a popular website with sudden traffic spikes:

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