[118757] in North American Network Operators' Group
Re: Redundant Data Center Architectures
daemon@ATHENA.MIT.EDU (Ryan Brooks)
Wed Oct 28 13:47:33 2009
Date: Wed, 28 Oct 2009 12:43:37 -0500
From: Ryan Brooks <ryan@hack.net>
To: Roland Dobbins <rdobbins@arbor.net>
In-Reply-To: <EA7CBF6A-BE36-4864-9A81-94606A49DED4@arbor.net>
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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.
>
> Layer-2 between sites is evil, as well.
>
> Layer-3-independence and active/active/etc. is where it's at in terms
> of high availability in the 21st Century. GSLB, et. al.
And that's about all you need to know. Never heard it put so
succinctly - thanks,
-Ryan Brooks
