[110149] in North American Network Operators' Group

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Re: IPv6: IS-IS or OSPFv3

daemon@ATHENA.MIT.EDU (Mikael Abrahamsson)
Sat Dec 27 06:23:04 2008

Date: Sat, 27 Dec 2008 12:22:45 +0100 (CET)
From: Mikael Abrahamsson <swmike@swm.pp.se>
To: devang patel <devangnp@gmail.com>
In-Reply-To: <d0fea3580812261847m56c71e00u100fd86cc3fcd053@mail.gmail.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org

On Fri, 26 Dec 2008, devang patel wrote:

> I do have some confusion about which one is better for IPv6 in Service
> Provider networks as far as IP routing and MPLS application is concern!

Both work and have advantages and disadvantages.

Personally, I like the fact that IPv4 and IPv6 control plane are 
different, thus I'd go for OSPv3. ISIS-MT means you have to know that all 
your ISIS speakers will handle the MT packets gracefully. I know products 
from large vendors in the market which do not (IPv6 not enabled, it 
receives IPv6 MT packets, affects IPv4 ISIS control plane badly).

-- 
Mikael Abrahamsson    email: swmike@swm.pp.se


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