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Re: [homenet] draft-boutier-homenet-source-specific-routing-00

Juliusz Chroboczek <jch@pps.univ-paris-diderot.fr> Tue, 09 July 2013 15:14 UTC

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Date: Tue, 09 Jul 2013 17:14:12 +0200
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From: Juliusz Chroboczek <jch@pps.univ-paris-diderot.fr>
To: Henning Rogge <hrogge@googlemail.com>
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Cc: "homenet@ietf.org" <homenet@ietf.org>, Lorenzo Colitti <lorenzo@google.com>
Subject: Re: [homenet] draft-boutier-homenet-source-specific-routing-00
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> > The general answer is no -- incompatible forwarding behaviours cause
> > persistent routing loops (Section 2.2.2).  However, there are
> > particular cases where everything works out, most importantly mixing
> > source-specific and ordinary next-hop routing (Section 4.1).  (Please
> > do not underestimate the importance of this property -- what it says
> > is that you can mix "legacy" routers with source-specific ones.)

> Having multiple source-specific default routes (0.0.0.0/0 or ::/0) are
> a good recipe for routing loops if some routers don't support
> source-specific routing.

See Section 4.1, notably the second paragraph.

(And yes -- you get it wrong, you die.)

-- Juliusz

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