On Wed, 6 Oct 2021, Michael Thomas wrote:
On 10/6/21 2:33 PM, William Herrin 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
On Wed, Oct 6, 2021 at 10:43 AM Michael Thomas <mike@mtcc.com> wrote: 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 infrastructure?
People have been anycasting DNS server IPs for years (decades?). So, no. ---------------------------------------------------------------------- Jon Lewis, MCP :) | I route StackPath, Sr. Neteng | therefore you are _________ http://www.lewis.org/~jlewis/pgp for PGP public key_________