Multi-CDN Strategies

Wed Mar 15 09:53:49 UTC 2017

On Fri, Mar 10, 2017 at 11:19 PM, Chris Woodfield <rekoil at semihuman.com>
wrote:

> I have some experience with this; a few things off the top of my head:
>
> - It’s usually best to leverage some sort of “smart” DNS  to handle CNAME
> distribution, giving you the ability to weight your CNAME distribution vs.
> only using one CDN all the time, or prefer different CDNs in various global
> regions. I’ve had decent experience with Dyn here, but Route53 has all the
> features you’d want as well. If possible, write tooling towards your DNS
> provider’s API to automate your failovers.
>

I've seen people do this in their code too, send approximate percentages of
requests to different providers but then you need to do a code push for
failover.