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Re: Common operational misconceptions
From: Shumon Huque <shuque () upenn edu>
Date: Thu, 16 Feb 2012 09:08:18 -0500

We run IS-IS at the University of Pennsylvania as the IGP for
IPv6. I know of a few other non-ISPs too but I won't speak for 
them. At the time we initially deployed IPv6, it was pretty
much one of the few safe choices (OSPFv3 implementations were 
very new then).


On Thu, Feb 16, 2012 at 12:00:04AM -0600, Kenneth M. Chipps Ph.D. wrote:
"ISIS is used in organizations other than ISPs" Any examples you can share
of some other than ISPs?

-----Original Message-----
From: Joel jaeggli [mailto:joelja () bogus com] 
Sent: Wednesday, February 15, 2012 11:58 PM
To: Kenneth M. Chipps Ph.D.
Cc: nanog () nanog org
Subject: Re: Common operational misconceptions

On 2/15/12 21:04 , Kenneth M. Chipps Ph.D. wrote:
How widespread would you say the use of IS-IS is?

Even more as to which routing protocols are used, not just in ISPs, 
what percent would you give to the various ones. In other words X 
percent of organizations use OSPS, Y percent use EIGRP, and so on.

Using EIGRP implies your routed IGP dependent infrastructure is a
monoculture. That's probably infeasible without compromise even if you are
largely a Cisco shop.

ISIS is used in organizations other than ISPs.

Shumon Huque
University of Pennsylvania.

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