How to implement a multi-CDN strategy (streamroot.io): https://news.ycombinator.com/item?id=18399523 https://news.ycombinator.com/item?id=18399523 Etsy impleme

How to implement a multi-CDN strategy (streamroot.io): https://news.ycombinator.com/item?id=18399523 https://news.ycombinator.com/item?id=18399523 Etsy implementing multiple CDN (7 years ago, the CDNcontrol project looks abandoned): https://speakerdeck.com/ickymettle/integrating-multiple-cdn-providers-our-experience-at-etsy https://speakerdeck.com/ickymettle/integrating-multiple-cdn-... https://dyn.com/blog/speaking-with-etsy-about-multi-cdns-and-dns/ https://dyn.com/blog/speaking-with-etsy-about-multi-cdns-and... Basically: you can try to keep a low TTL DNS, but it'll be more DNS traffic, and 5-10% of traffic takes forever to cut over because nobody respects TTL. Worst case you have just as much down time as before, best case most of your traffic is recovered in a few minutes.