Redundant Data Center Architectures
Ryan Brooks
ryan at hack.net
Wed Oct 28 17:43:37 UTC 2009
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
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