DNS pulling BGP routes?

Michael Thomas mike at mtcc.com
Wed Oct 6 21:39:35 UTC 2021

On 10/6/21 2:33 PM, William Herrin wrote:
> On Wed, Oct 6, 2021 at 10:43 AM Michael Thomas <mike at mtcc.com> wrote:
>> So if I understand their post correctly, their DNS servers have the
>> ability to withdraw routes if they determine are sub-optimal (fsvo).
> The servers' IP addresses are anycasted. When one data center
> determines itself to be malfunctioning, it withdraws the routes so
> that users will reach a different data center that is, in theory,
> still functioning.
Ah, I was wondering if the anycast part was the relevant bit. But 
doesn't it seem odd that it would be intertwined with the DNS 


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