[168197] in North American Network Operators' Group
Re: best practice for advertising peering fabric routes
daemon@ATHENA.MIT.EDU (Dobbins, Roland)
Wed Jan 15 10:38:10 2014
From: "Dobbins, Roland" <rdobbins@arbor.net>
To: NANOG list <nanog@nanog.org>
Date: Wed, 15 Jan 2014 15:37:43 +0000
In-Reply-To: <3F0CA014-2607-403A-B05C-DD39D08A0683@ufp.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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On Jan 15, 2014, at 10:31 PM, Leo Bicknell <bicknell@ufp.org> wrote:
> I am approaching it from a different perspective, 'where is PMTU-D =
broken for people who want to use 1500-9K frames end to end?'=20
I understand that perspective, absolutely.
But what I'm saying is that that whether or not they want to use jumbo =
frames for Internet traffic, it doesn't matter, because PMTU-D is likely =
to be broken either at the place where the traffic is initiated, the =
place where the traffic is received, or both - so any nonsense in the =
middle, especially on IXP networks in particular, isn't really a =
significant issue in and of itself.
If we could get things optimized and remediated to the point where =
potential PMTU-D breakage in IXP networks were a significant issue of =
iteself, the Internet would be much improved. But I don't see any =
likelihood of that happening anytime soon.
-----------------------------------------------------------------------
Roland Dobbins <rdobbins@arbor.net> // <http://www.arbornetworks.com>
Luck is the residue of opportunity and design.
-- John Milton
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