[153028] in North American Network Operators' Group
Re: DNS anycasting - multiple DNS servers on same subnet Vs
daemon@ATHENA.MIT.EDU (Randy Bush)
Mon May 28 17:03:41 2012
Date: Tue, 29 May 2012 06:03:02 +0900
From: Randy Bush <randy@psg.com>
To: Anurag Bhatia <me@anuragbhatia.com>
In-Reply-To: <CAJ0+aXaoTEUy+pog_g0cq2JE5SU82yX9+sOXmrHw6EeF9J77_A@mail.gmail.com>
Cc: NANOG Mailing List <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
> 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