[40367] in North American Network Operators' Group

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Re: MPLS VPNs or not?

daemon@ATHENA.MIT.EDU (Vadim Antonov)
Tue Aug 7 21:28:02 2001

Date: Tue, 7 Aug 2001 18:25:50 -0700 (PDT)
From: Vadim Antonov <avg@exigengroup.com>
To: Christian Kuhtz <ck@arch.bellsouth.net>
Cc: nanog@merit.edu
In-Reply-To: <20010807110034.R18551@ns1.arch.bellsouth.net>
Message-ID: <Pine.LNX.4.10.10108071820430.29904-100000@arch.exigengroup.com>
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Errors-To: owner-nanog-outgoing@merit.edu



The point is very simple - virtual circuit routing does not scale.  That
was beaten to death in ATM vs IP discussions years ago.

Do we need to repeat that again?

http://www.kotovnik.com/~avg/pluris/ip_vs_atm/

--vadim

On Tue, 7 Aug 2001, Christian Kuhtz wrote:

> 
> On Tue, Aug 07, 2001 at 03:34:05PM +0100, Randy Bush wrote:
> > > A PE carries only the routes needed at a specific PE depending on the VPNs
> > > present at a specific PE.
> > 
> > and five years out, what percentage of my O(10-^6) vpn customers will have a
> > branch in each of (chicago|nyc|sf|.*)?
> 
> Randy,
> 
> and how should I know? ;-).. I'm a) lacking a functional crystal ball (a magic
> 8 ball is my only ball shaped engineering tool) and b) they'll presumably be 
> still your customers and not mine! ;-)
> 
> Seriously, what point are you trying to make?  There are several ways to 
> interpret the statement.
> 
> Thanks,
> Chris
> 
> -- 
> Christian Kuhtz <ck@arch.bellsouth.net> -wk, <ck@gnu.org> -hm
> Sr. Architect, Engineering & Architecture, BellSouth.net, Atlanta, GA, U.S.
> "I speak for myself only."
> 


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