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A comment on Fastly Outage. Parent comment

Re:Fastly Outage by darkr on Tuesday June 08, 2021 @07:31AM (#27433710)
If you have absolutely vanilla CDN requirements, you can run multiple CDNs and fail-over or load balance between them using DNS.

Quite a few Fastly customers have more than vanilla requirements though, and may have a lot of business logic performed within the CDN itself. That Fastly is "just Varnish" and you can perform powerful traffic manipulation is one of it's main selling points.

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Re:Fastly Outage by dan-robertson on Tuesday June 08, 2021 @01:30PM (#27438221)
I suppose it’s still a bad experience for the user if some % of attempts to connect fail or if some % of scripts/styles/images fail to load. So I think that means dns information about failures needs to somehow be propagated quickly. Not sure how well that works in practice.
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