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Re: [tcpm] question about TCP-AO and rekeying

Joe Touch <touch@ISI.EDU> Mon, 22 June 2009 21:20 UTC

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Date: Mon, 22 Jun 2009 10:59:12 -0700
From: Joe Touch <touch@ISI.EDU>
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To: Eric Rescorla <ekr@networkresonance.com>
References: <4A2AB973.3030203@isi.edu> <20090616131807.75C481BC6EB@kilo.networkresonance.com> <4A37A202.9020500@isi.edu> <20090617054551.A4E0C1BCA23@kilo.networkresonance.com> <4A388C37.3030703@isi.edu> <20090617140939.A3AB61BCC72@kilo.networkresonance.com> <4A390EC0.6070003@isi.edu> <20090617161518.5276C50822@romeo.rtfm.com> <4A3917B7.20301@isi.edu> <20090617232813.1C49D50822@romeo.rtfm.com> <4A39C800.2030901@isi.edu> <20090618051622.719361BDC6B@kilo.networkresonance.com> <4A39CE62.9050201@isi.edu> <20090618135721.164F31BDF06@kilo.networkresonance.com> <4A3A4A5D.2060504@isi.edu> <20090619043328.6C06E1BE12E@kilo.networkresonance.com> <4A3B3290.9020906@isi.edu> <20090619132135.0DF111BE198@kilo.networkresonance.com> <4A3BB16A.1000508@isi.edu> <20090619161614.EFC4850822@romeo.rtfm.com> <4A3BBC2E.9040100@isi.edu> <20090619164724.2353850822@romeo.rtfm.com> <4A3BC59C.9090200@isi.edu> <20090620153548.C20C01C0154@kilo.networkresonance.com>
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Cc: tcpm Extensions WG <tcpm@ietf.org>
Subject: Re: [tcpm] question about TCP-AO and rekeying
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Eric Rescorla wrote:
...
>> If we omit the TSAD/TAPD, how do we express the notion that a given key
>> is preferred for outgoing SYNs?
> 
> We don't. The implementations do it however they want (and I can think of
> a number of plausible implementations) . As long as a valid key is selected,
> things will work.

OK. I'll update the doc based on the descriptions of this exchange shortly.

Joe
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