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Old 26-07-2021, 15:50   #69
Synthetic
cf.geek
 
Join Date: Jul 2010
Location: Newcastle
Posts: 785
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Re: Virgin Akamai Cache Congestion

So bit of a follow up / conclusion if anyone is still following / comes across this from google.

tl;dr - akamai won't work properly when using cloudflare DNS with virgin (as of now), use Google's 8.8.8.8 resolver.

The reason for buffering with cloudflare is due to them not supporting ECS, basically this sends your subnet with the DNS packet so the resolver knows to send you to a local / ISP cache.

Google does support this, which is why issues are resolved using google DNS, and i assume virgin's DNS is set to send you to their own local cache anyway.
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