[51555] in North American Network Operators' Group
Re: routing architectures ( was Re: AT&T NYCrouting )
daemon@ATHENA.MIT.EDU (Ross Chandler)
Thu Aug 29 16:49:16 2002
In-Reply-To:
<Pine.LNX.4.21.0208291544260.32063-100000@cpu1693.adsl.bellglobal.com>
Date: Thu, 29 Aug 2002 21:36:25 +0100
To: nanog@merit.edu
From: Ross Chandler <ross@eircom.net>
Errors-To: owner-nanog-outgoing@merit.edu
>On Thu, 29 Aug 2002, Robert A. Hayden wrote:
>
>> Um. Set up more than one reflector....
>
>So how many is enough? I would think 3 is a minimum to come close to the
>reliability/redundancy of OSPF.
>
>-Ralph
My two cents..
BGP beats OSPF in the reliability stakes easily in my experience. I'd
put as little as possible (loopbacks/internal links only) into OSPF.
Two (or more)
BGP route reflectors deployed to reflect the physical topology/area structure
is explicitly redundant in a way that OSPF isn't.
Ross