On Wed, Oct 6, 2021 at 10:43 AM Michael Thomas <m...@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. Regards, Bill Herrin -- William Herrin b...@herrin.us https://bill.herrin.us/