[135222] in North American Network Operators' Group
Re: Software DNS hghi availability and load balancer solution
daemon@ATHENA.MIT.EDU (Jack Bates)
Tue Jan 18 15:55:14 2011
Date: Tue, 18 Jan 2011 14:55:02 -0600
From: Jack Bates <jbates@brightok.net>
To: david raistrick <drais@icantclick.org>
In-Reply-To: <alpine.BSF.2.00.1101181438200.46939@murf.icantclick.org>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 1/18/2011 1:42 PM, david raistrick wrote:
> Normally, VRRP would be the way to go. But these days multicast isn't
> supported everywhere (major example - Amazon EC2), leaving DNS...
Many HA environments use both, and F5 is designed to do both, supporting
DNS tricks (of which, you could possibly run host based monitoring and
dynamic updates to accomplish), anycast routing, and vrrp-like DSR/NAT
load balancing.
Jack
