Re: DNS anycasting - multiple DNS servers on same subnet Vs registrar/registry policies

[Randy Bush <randy () psg com>]

> I am building redundancy within that setup. I mean it will be software
> based BGP so if hardware if fried up, it will break BGP session and pull
> off routes anyway and for cases like DNS server (software) failure, I will
> monitor it via simple bash script which can turn bgp daemon down. So once
> it is off, routing tables should take it to different node.

i have a tee shirt which says

   All Devices Break
   Two Devices Will Break at Once
   Global BGP Never Converges

randy, a co-author of 2182