[115041] in North American Network Operators' Group

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Re: Facility wide DR/Continuity

daemon@ATHENA.MIT.EDU (Roland Dobbins)
Wed Jun 3 14:08:52 2009

From: Roland Dobbins <rdobbins@arbor.net>
To: NANOG list <nanog@nanog.org>
In-Reply-To: <366100670906031053l5a65f87dk32441eb38f7233b6@mail.gmail.com>
Date: Thu, 4 Jun 2009 01:08:51 +0700
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org


On Jun 4, 2009, at 12:53 AM, Brandon Galbraith wrote:

> Or you use RFC1918 address space at each location, and NAT each side  
> between
> public anycasted space and your private IP space. Prevents internal IP
> conflicts, having to deal with site to site NAT, etc.

With all due respect, both of these posited choices are quite ugly and  
tend to lead to huge operational difficulties, susceptibility to DDoS,  
etc.  Definitely not recommended except as a last resort in a  
difficult situation, IMHO.

-----------------------------------------------------------------------
Roland Dobbins <rdobbins@arbor.net> // <http://www.arbornetworks.com>

         Unfortunately, inefficiency scales really well.

		   -- Kevin Lawton



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