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[v6ops] source address failover [PI [ULA draft revision #2 Regarding isolated networks]]

Brian E Carpenter <brian.e.carpenter@gmail.com> Mon, 02 June 2014 20:43 UTC

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Date: Tue, 03 Jun 2014 08:42:55 +1200
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
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To: Gert Doering <gert@space.net>
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Cc: Philip Homburg <pch-v6ops-3a@u-1.phicoh.com>, V6 Ops List <v6ops@ietf.org>
Subject: [v6ops] source address failover [PI [ULA draft revision #2 Regarding isolated networks]]
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On 02/06/2014 20:17, Gert Doering wrote:
...
> OTOH, proper source address failover on "host" to source address B would
> very nicely solve this whole category of connectivity issues - and (by
> enforcing halfway symmetric return traffic via ISP B) would actually solve
> it *better* than BGP routing, which might need manual fiddling with the
> router to remove "ISP C" from the path.

I know that shim6 isn't popular around here, but if you actually
want to achieve this effect - for any transport protocol, and
any application protocol, unmodified - run linshim6 at both ends.

> (IETF is complaining about lack of operator input.  Here is operator input.
> Don't ignore it, otherwise operators get bored and find solutions outside
> IETF space, like, with NAT)

Not to pretend that shim6 doesn't have operational issues too
(like needing SADR and tolerant firewalls).

   Brian
> 
> Gert Doering
>         -- NetMaster
> 
> 
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