IETF Logo Mail Archive

Re: [tcpm] timestamp options (was Re: New Version Notification for draft-touch-tcpm-tcp-edo-01.txt)

"Scharf, Michael (Michael)" <michael.scharf@alcatel-lucent.com> Mon, 02 June 2014 18:09 UTC

Return-Path: <michael.scharf@alcatel-lucent.com>
X-Original-To: tcpm@ietfa.amsl.com
Delivered-To: tcpm@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 1DC381A037F for <tcpm@ietfa.amsl.com>; Mon, 2 Jun 2014 11:09:11 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -6.9
X-Spam-Level:
X-Spam-Status: No, score=-6.9 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5] autolearn=ham
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id LktMq5eqvnZf for <tcpm@ietfa.amsl.com>; Mon, 2 Jun 2014 11:09:09 -0700 (PDT)
Received: from hoemail2.alcatel.com (hoemail2.alcatel.com [192.160.6.149]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 531721A034E for <tcpm@ietf.org>; Mon, 2 Jun 2014 11:09:09 -0700 (PDT)
Received: from fr712usmtp2.zeu.alcatel-lucent.com (h135-239-2-42.lucent.com [135.239.2.42]) by hoemail2.alcatel.com (8.13.8/IER-o) with ESMTP id s52I8vQC025727 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 2 Jun 2014 13:08:59 -0500 (CDT)
Received: from FR712WXCHHUB03.zeu.alcatel-lucent.com (fr712wxchhub03.zeu.alcatel-lucent.com [135.239.2.74]) by fr712usmtp2.zeu.alcatel-lucent.com (GMO) with ESMTP id s52I8uNv026396 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=FAIL); Mon, 2 Jun 2014 20:08:56 +0200
Received: from FR712WXCHMBA15.zeu.alcatel-lucent.com ([169.254.7.185]) by FR712WXCHHUB03.zeu.alcatel-lucent.com ([135.239.2.74]) with mapi id 14.02.0247.003; Mon, 2 Jun 2014 20:08:56 +0200
From: "Scharf, Michael (Michael)" <michael.scharf@alcatel-lucent.com>
To: "mallman@icir.org" <mallman@icir.org>, Joe Touch <touch@isi.edu>
Thread-Topic: [tcpm] timestamp options (was Re: New Version Notification for draft-touch-tcpm-tcp-edo-01.txt)
Thread-Index: AQHPfotSctUOJKEko0unkfd/+aCl9pteG1oQ
Date: Mon, 02 Jun 2014 18:08:54 +0000
Message-ID: <655C07320163294895BBADA28372AF5D31326E@FR712WXCHMBA15.zeu.alcatel-lucent.com>
References: <5384EFC3.50803@isi.edu> <20140602175057.1216F780B80@lawyers.icir.org>
In-Reply-To: <20140602175057.1216F780B80@lawyers.icir.org>
Accept-Language: de-DE, en-US
Content-Language: de-DE
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-originating-ip: [135.239.27.38]
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
Archived-At: http://mailarchive.ietf.org/arch/msg/tcpm/Ge5ZEmCZ_ra7WWVm5Afj5z_0P84
Cc: "tcpm@ietf.org" <tcpm@ietf.org>
Subject: Re: [tcpm] timestamp options (was Re: New Version Notification for draft-touch-tcpm-tcp-edo-01.txt)
X-BeenThere: tcpm@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: TCP Maintenance and Minor Extensions Working Group <tcpm.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/tcpm>, <mailto:tcpm-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/tcpm/>
List-Post: <mailto:tcpm@ietf.org>
List-Help: <mailto:tcpm-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tcpm>, <mailto:tcpm-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 02 Jun 2014 18:09:11 -0000

> Also, I'd like to know if OSes actually do consult the TS value in the
> 3WHS to try to hunt for old packets.  I have no idea.  Does anyone
> know?
> (Either answer wouldn't surprise me, actually.)

Well, I don't know.

But a related thought: In 1323bis we actually mention a random, per-connection offset. Such a logic in the 3WHS would have to take different offsets into account, right?

Michael

v2.23.0 | Report a Bug | By Email