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Re: [v6ops] I-D Action:draft-ietf-v6ops-ipv6-cpe-router-bis-00.txt

Brian E Carpenter <brian.e.carpenter@gmail.com> Fri, 18 March 2011 22:47 UTC

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Date: Sat, 19 Mar 2011 11:48:25 +1300
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
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To: Mikael Abrahamsson <swmike@swm.pp.se>
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Cc: IPv6 Ops WG <v6ops@ietf.org>
Subject: Re: [v6ops] I-D Action:draft-ietf-v6ops-ipv6-cpe-router-bis-00.txt
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On 2011-03-19 11:03, Mikael Abrahamsson wrote:
...
> When a host with an address from both PREFIX1 and PREFIX2 which resides
> on the same LAN, whereto should it send it's outgoing packets? If
> packets from PREFIX1 ends up on ISP2 it'll be uRPF filtered, and vice
> versa.

Yes, that's the exit selection problem in a nutshell. Since we don't
have a standardised solution yet we can't specify it in
ipv6-cpe-router-bis. I expect it will have to be left for
ipv6-cpe-router-ter.

I think the continuation of the discussion belongs on a thread
for draft-v6ops-multihoming-without-nat66.

   Brian

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