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Re: [tcpm] tcp-auth-opt issue: support for NATs

Eric Rescorla <ekr@networkresonance.com> Wed, 06 August 2008 02:02 UTC

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Date: Tue, 05 Aug 2008 19:02:57 -0700
From: Eric Rescorla <ekr@networkresonance.com>
To: Adam Langley <agl@imperialviolet.org>
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Cc: tcpm@ietf.org, Joe Touch <touch@isi.edu>
Subject: Re: [tcpm] tcp-auth-opt issue: support for NATs
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At Tue, 5 Aug 2008 18:26:36 -0700,
Adam Langley wrote:
> 
> On Fri, Aug 1, 2008 at 12:11 PM, Joe Touch <touch@isi.edu> wrote:
> > Key rotations (presumably you're talking about the master key) may
> > require some synchronization, which seems unlikely in the case of NATs
> > as well.
> 
> A time based key rotation would only require that endpoints have
> synchronised clocks to within an arbitrary amount of time. A minute
> would seem reasonable.

Isn't the whole point of the key-ids to avoid requiring this?

-Ekr
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