OT: multi-homed mail/networking (was Re: good show)

[Jay R. Ashworth]

On Wed, Jul 28, 2004 at 07:36:01PM -0400, Fairlight wrote:
> Is it just me, or did Jay Ashworth say:
> > them will be accessible.  As usual, the optimal situation is to have
> > your secondaries in phsyically separate locations, on different
> > backbones, just like your DNS servers.
> 
> I would question the need for separate -physical- locations.  If you can be
> relatively sure about power being supplied via generator, etc., physical
> location is almost irrelevant these days.  I've been told about colocations
> that have multiple routes out of the same building, even though they're the
> same carrier.

New York City.  September 11th.

Next?

> Multihomed or multi-routed is a must, I agree.  Multiple physical
> locations?  That's not as highly rated a criterion as in ye olden days--at
> least coming from people that know more than I do and have been doing it
> far longer and in a focused fashion (ie., they do networking on a grander
> scale, far more regularly than I).

I hate to tell you this, but I actually do follow professional disaster
recovery circles, and it's *more* important, at the $1B level, and a
few levels down.

Say Fortune 2000.

> It used to make more sense, as multihoming and multiple routes from the
> same location weren't as common,   Some facilities nowadays, the only thing
> that's going to cause catastrophic inaccessibility is a hurricane or the
> like literally lifting the building off the ground and tossing it around.
> These days, maintaining a WAN-distributed topography is often simply
> tossing more money out the window than you need to.

Or not.

Cheers,
-- jra
-- 
Jay R. Ashworth                                                jra at baylink.com
Designer                          Baylink                             RFC 2100
Ashworth & Associates        The Things I Think                        '87 e24
St Petersburg FL USA      http://baylink.pitas.com             +1 727 647 1274

	"You know: I'm a fan of photosynthesis as much as the next guy,
	but if God merely wanted us to smell the flowers, he wouldn't 
	have invented a 3GHz microprocessor and a 3D graphics board."
					-- Luke Girardi