Re: [IPsec] Working Group LC: draft-ietf-ipsecme-ipsec-ha-03

Jean-Michel Combes <jeanmichel.combes@gmail.com> Thu, 27 May 2010 10:33 UTC

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Date: Thu, 27 May 2010 12:32:59 +0200
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From: Jean-Michel Combes <jeanmichel.combes@gmail.com>
To: Yoav Nir <ynir@checkpoint.com>
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Cc: IPsecme WG <ipsec@ietf.org>
Subject: Re: [IPsec] Working Group LC: draft-ietf-ipsecme-ipsec-ha-03
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Hi again,

2010/5/27 Yoav Nir <ynir@checkpoint.com>:
> How about the following text?
>
> 3.8  Allocation of SPIs
>   SPIs for child and IKE SAs MUST be unique with the same peer. However, in
>   a cluster, both members may create SAs and assign SPIs to them, so a
>   collision is possible. We believe that peers should not be required to
>   accept duplicate SPIs for different SAs, and that this needs to be
>   prevented by the cluster members by some out-of-scope method.

It's fine for me.

Best regards.

JMC.

>
> Yoav
>
> -----Original Message-----
> <snip/>
>
> 3.  The Problem Statement
>
> <JMC>
> I didn't see anything about potential collisions (e.g. SPI for a
> specific SA on a member of the cluster is already used on another
> member) during a failover: is such an issue out of scope?
> <JMC>
>
> <snip/>
>