IETF Logo Mail Archive

Re: [dtn] new BIBE I-D

Lloyd Wood <lloyd.wood@yahoo.co.uk> Mon, 21 May 2018 09:56 UTC

Return-Path: <lloyd.wood@yahoo.co.uk>
X-Original-To: dtn@ietfa.amsl.com
Delivered-To: dtn@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 4506C126D05 for <dtn@ietfa.amsl.com>; Mon, 21 May 2018 02:56:59 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.599
X-Spam-Level:
X-Spam-Status: No, score=-2.599 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.599, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=yahoo.co.uk
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 Yo-_-tMHaoAT for <dtn@ietfa.amsl.com>; Mon, 21 May 2018 02:56:57 -0700 (PDT)
Received: from sonic307-54.consmr.mail.ir2.yahoo.com (sonic307-54.consmr.mail.ir2.yahoo.com [87.248.110.31]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 915EB126CE8 for <dtn@ietf.org>; Mon, 21 May 2018 02:56:57 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.co.uk; s=s2048; t=1526896616; bh=HscVJChPSocIcbT7+HgjosvNxV8XrGoU7T+0COjZyoQ=; h=Date:From:Reply-To:To:In-Reply-To:References:Subject:From:Subject; b=LXQQ5DC72GbGTVcUBrg8A7LJaiMcWa1dwjy7Gj2kNrmUP8d7YDpRbCCLoZFPezALAckSEDSJPciQTPyB9rMrM7nBdm7cT+G8Yy39XObAecjrIyWbEfcM7PfqJvxZH5p4In0lqo/6Z+fVLxArSnCMeAVAbgSa01ObUAQqXFVYpLPkf3J1Ljq4PB+joy7wB/Yoks3ze07p51+aRH0efdZbcedxLcf4meYa11pmozk9RliwLuxZB4B0jSkOifFeQEqbyUexMnNXOF0sYU1SyqiikN4GOeNPWYXRlTBTPvwML6YB2JS1727k0dNq6C++8qTaJQtG0zP0JroNTYZYDpfjLw==
X-YMail-OSG: qPx3M9YVM1l371Yc6boTMpfkxxLJzx.ldwVbyucWkvjgZGnf3A21WYZzdbm0.U9 8mMVk3a0Rv_OU3sQ3.qi41dOgMEMyuIraSTU6SFcq4RCfHviKiDHVOqs3fF0ybrMUzksuNMIJ7H. m_HDYJiIF3Qhtqnc.a4m20PAZ4LUjeXiv88BRRtXEJPpZNlRwwYf98VlEwqpWpCHeiXrJv7MO09f GQgb9H6oFNfUWcaxZKXvU0LkprC3mQbIXIAf4EFgkSywc1_n_1euE1dHZ.Vrvr19bzOPQg0_RD0M 1g0mDw.CZODo0S8HmoyhIDE_VZu.hxN.qP1n6Il6bgTpTlZy7S2dPCIKnuFK1BRJC9khWSav.XSH BhjGlEjMAF8wF3eKICwcLwzHRvtzhBaBCn_JVOj_x98jfR83KqIcPqS..ikXNd8rgdDo2s6PJR9C x174ULUGxJL6ZpvUkOwpPTZ5bMk2wX.5KjITDQn0e5p.Y_Btqo4Xz3isEhchAitVDXVgXIm9VW9O WjxmLdztS2phBmTS97L_TXtjPjVP3YhM_7WvvlPaF6gZms9ZHY8hUjmMDjssrD3ScsONHemQM7HD I.MwsrTff2zBX93IeCnwG8Xc2vfq3tTbA7nNDV7nFHLEsGmJVDcnRDaAvVCM-
Received: from sonic.gate.mail.ne1.yahoo.com by sonic307.consmr.mail.ir2.yahoo.com with HTTP; Mon, 21 May 2018 09:56:56 +0000
Date: Mon, 21 May 2018 09:56:52 +0000
From: Lloyd Wood <lloyd.wood@yahoo.co.uk>
Reply-To: Lloyd Wood <lloyd.wood@yahoo.co.uk>
To: "Burleigh, Scott C (312B)" <scott.c.burleigh@jpl.nasa.gov>, "dtn@ietf.org" <dtn@ietf.org>
Message-ID: <1738164354.6006651.1526896612434@mail.yahoo.com>
In-Reply-To: <734a179fe593429ca1c38f4e20ab954c@jpl.nasa.gov>
References: <734a179fe593429ca1c38f4e20ab954c@jpl.nasa.gov>
MIME-Version: 1.0
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 7bit
X-Mailer: WebService/1.1.11871 YahooMailNeo Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/66.0.3359.181 Safari/537.36
Archived-At: <https://mailarchive.ietf.org/arch/msg/dtn/UTPBa8VP5r96lFB9cnopPMJq1p8>
Subject: Re: [dtn] new BIBE I-D
X-BeenThere: dtn@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: "Delay Tolerant Networking \(DTN\) discussion list at the IETF." <dtn.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/dtn>, <mailto:dtn-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/dtn/>
List-Post: <mailto:dtn@ietf.org>
List-Help: <mailto:dtn-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/dtn>, <mailto:dtn-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 21 May 2018 09:56:59 -0000

https://tools.ietf.org/html/draft-burleigh-dtn-bibect-01


"  . Moreover, in the event that no single point of egress from an insecure region of network topology can be determined at the moment a bundle is to be encapsulated, multiple copies of the bundle may be encapsulated individually and forwarded to all candidate points of egress."



I've previously raised the issue of multiple tunnel encaps effectively recapitulating source routing, with all the problems that source routing entails. That concern still stands. (June 2017 on this list)

generating BIBE-in-BIBE-in-BIBE... that DoSses and crashes bundle nodes (multiple nodes! with copying!) and allows spoofing of traffic from nodes is inevitable, and the draft needs to address that, by discussion recursion and source routing, and any introduced limits to same.

I don't have a view on whether ACS is a mistake; I see larger errors.

Lloyd Wood
http://sat-net.com/L.Wood/dtn


________________________________
From: "Burleigh, Scott C (312B)" <scott.c.burleigh@jpl.nasa.gov>
To: "dtn@ietf.org" <dtn@ietf.org> 
Sent: Monday, 21 May 2018, 12:39
Subject: [dtn] new BIBE I-D



Hi.  I just now posted a new edition of the Bundle-in-Bundle Encapsulation draft.  It differs from the initial edition mainly in the Custody Transfer mechanism it defines.  Some years of experience with the prototype Aggregate Custody Signal in ION on the International Space Station have convinced the ISS guys that ACS is important and is superior to the baseline custody transfer system originally defined in BIBE, lifted from RFC 5050.  My original thought was simply to add ACS as an option in BIBE, but on closer examination I couldn't spot any scenario in which the original custody transfer mechanism would be more efficient than the aggregated variant.  So the custody transfer procedures in this BIBE draft are now very similar to those of that ACS prototype.  Please speak up if you think this is a mistake.


Scott


_______________________________________________

dtn mailing list

dtn@ietf.org

https://www.ietf.org/mailman/listinfo/dtn

v2.23.0 | Report a Bug | By Email