[118755] in North American Network Operators' Group
Re: Redundant Data Center Architectures
daemon@ATHENA.MIT.EDU (Charles Wyble)
Wed Oct 28 13:43:04 2009
From: Charles Wyble <charles@thewybles.com>
In-Reply-To: <EA7CBF6A-BE36-4864-9A81-94606A49DED4@arbor.net>
Date: Wed, 28 Oct 2009 10:42:26 -0700
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Oct 28, 2009, at 10:38 AM, Roland Dobbins wrote:
>
> On Oct 28, 2009, at 8:26 PM, Stefan Fouant wrote:
>
>> I'm wondering what are the growing trends in connecting Data
>> Centers for redundancy in DR/COOP environments.
>
> 'DR' is an obsolete 40-year-old mainframe concept; it never works,
> as funding/testing/scaling of the 'backup' systems is never adequate
> and/or allowed.
Very true.
>
> Layer-2 between sites is evil, as well.
>
Indeed. Now VmWare actually supports layer3 for vsphere, maybe we will
start to see it go away. :)
> Layer-3-independence and active/active/etc. is where it's at in
> terms of high availability in the 21st Century. GSLB, et. al.
Yep.
That way all your environments get adequate(ish) funding. Vs
management saying "oh it's just backup/dr, we will fund it next year".
