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Re: [tcpm] TCP-AO review comments.

"Adam Langley" <agl@imperialviolet.org> Mon, 04 August 2008 16:44 UTC

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Date: Mon, 04 Aug 2008 09:44:32 -0700
From: Adam Langley <agl@imperialviolet.org>
To: Joe Touch <touch@isi.edu>
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Cc: tcpm@ietf.org, "Anantha Ramaiah (ananth)" <ananth@cisco.com>
Subject: Re: [tcpm] TCP-AO review comments.
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On Mon, Aug 4, 2008 at 7:28 AM, Joe Touch <touch@isi.edu> wrote:
> | Repacketization combines multiple segments into one, thereby dictating a
> | new ipid for example, so such things aren't considered messy, the
> | question becomes how much flexibility you want to provide here...
>
> It would be difficult to support repacketization and ensure
> authentication, AFAICT. How do others feel?

At the moment, TCP MD5 requires disabling LRO and TSO (both software
and hardware). There's no reason that hardware couldn't support AO
aware repacketisation in the future, but at the moment, it's
incompatible.



AGL

-- 
Adam Langley agl@imperialviolet.org http://www.imperialviolet.org
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