[149841] in North American Network Operators' Group
Re: Common operational misconceptions
daemon@ATHENA.MIT.EDU (Shumon Huque)
Thu Feb 16 09:09:42 2012
Date: Thu, 16 Feb 2012 09:08:18 -0500
From: Shumon Huque <shuque@upenn.edu>
To: "Kenneth M. Chipps Ph.D." <chipps@chipps.com>
In-Reply-To: <00f201ccec70$3a4c8f50$aee5adf0$@chipps.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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).
--Shumon.
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.