[135214] in North American Network Operators' Group
Re: Software DNS hghi availability and load balancer solution
daemon@ATHENA.MIT.EDU (david raistrick)
Tue Jan 18 14:40:45 2011
Date: Tue, 18 Jan 2011 14:37:57 -0500 (EST)
From: david raistrick <drais@icantclick.org>
To: William Herrin <bill@herrin.us>
In-Reply-To: <AANLkTimnmc-wc8N1V+DzYq2WFuP-jQHPMJ3dqqUqA66L@mail.gmail.com>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Tue, 18 Jan 2011, William Herrin wrote:
> Net result is that in some cases a user's long-running browser will
> indefinitely ignore the change you made to the DNS. I've seen such
> things persist for months.
Do you have any recent evidence to support this? The
what-browsers-do-with-what world changes daily... and my understanding
is that a lot of these things that used to be problems have been changed.
> For better or for worse, the way you -reliably- fail over a web server
> is with routing and middleboxes like a load balancer.
Alas, sometimes that's just not possible - try doing that @ EC2, for
example (which is why I've recently been on the hunt for GSLB solutions
that don't involve appliances...).
--
david raistrick http://www.netmeister.org/news/learn2quote.html
drais@icantclick.org http://www.expita.com/nomime.html
