Re: [multipathtcp] potential MPTCP proxy charter item
<mohamed.boucadair@orange.com> Thu, 20 October 2016 05:56 UTC
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From: mohamed.boucadair@orange.com
To: Alan Ford <alan.ford@gmail.com>
Thread-Topic: [multipathtcp] potential MPTCP proxy charter item
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Date: Thu, 20 Oct 2016 05:56:46 +0000
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Cc: "multipathtcp@ietf.org" <multipathtcp@ietf.org>
Subject: Re: [multipathtcp] potential MPTCP proxy charter item
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Hi Alan, There is a modification that we expect from the base MPTCP. It is basically associating a meaning with a flag in the MP_CAPABLE option. Cheers, Med > -----Message d'origine----- > De : Alan Ford [mailto:alan.ford@gmail.com] > Envoyé : mercredi 19 octobre 2016 11:46 > À : BOUCADAIR Mohamed IMT/OLN > Cc : Mirja Kühlewind; multipathtcp@ietf.org > Objet : Re: [multipathtcp] potential MPTCP proxy charter item > > Do you guys expect any impact on the base protocol from this work? > > Regards, > Alan > > > On 19 Oct 2016, at 06:28, mohamed.boucadair@orange.com wrote: > > > > Hi Mirja, > > > > I'm for these two cases to be included: > > * Case 1 is the mandatory piece to have. > > * Case 2 solves the problem for no TCP traffic while leveraging on the > same extensions that are used for case 1. > > > > I do fully agree that case 2 requires inter-area/WG coordination. > > > > Cheers, > > Med > > > >> -----Message d'origine----- > >> De : Mirja Kühlewind [mailto:mirja.kuehlewind@tik.ee.ethz.ch] > >> Envoyé : mardi 18 octobre 2016 17:46 > >> À : BOUCADAIR Mohamed IMT/OLN > >> Cc : Henderickx, Wim (Nokia - BE); philip.eardley@bt.com; > >> multipathtcp@ietf.org > >> Objet : Re: [multipathtcp] potential MPTCP proxy charter item > >> > >> Hi Med, hi all, > >> > >> there are two cases to distinguish here: > >> > >> 1) you have one or two MPTCP proxies that terminate the TCP connection > and > >> open a new MPTCP connection > >> > >> 2) you tunnel other traffic over MPTCP > >> > >> Case two is using TCP as a tunneling mechanism. This is discussed in > >> several working groups for different purposes and is not very straight- > >> forward in a lot of cases. Such an approach definitely needs > coordination > >> and transport as well as tunnel expertise. > >> > >> Which case are you talking about? While Phil’s proposal sounded rather > >> like case 1, your proposal sounds very much like case 2. > >> > >> Mirja > >> > >> > >>> Am 18.10.2016 um 07:52 schrieb mohamed.boucadair@orange.com: > >>> > >>> Hi Wim, > >>> > >>> Yes, this can be main stream. > >>> > >>> Cheers, > >>> Med > >>> > >>> De : Henderickx, Wim (Nokia - BE) [mailto:wim.henderickx@nokia.com] > >>> Envoyé : lundi 17 octobre 2016 23:22 > >>> À : BOUCADAIR Mohamed IMT/OLN; philip.eardley@bt.com; > >> multipathtcp@ietf.org > >>> Objet : Re: [multipathtcp] potential MPTCP proxy charter item > >>> > >>> Sorry for the late reply, but more in-line > >>> > >>> From: multipathtcp <multipathtcp-bounces@ietf.org> on behalf of > >> "mohamed. boucadair" <mohamed.boucadair@orange.com> > >>> Date: Friday, 7 October 2016 at 09:08 > >>> To: "philip.eardley@bt.com" <philip.eardley@bt.com>, > >> "multipathtcp@ietf.org" <multipathtcp@ietf.org> > >>> Subject: Re: [multipathtcp] potential MPTCP proxy charter item > >>> > >>> Hi Phil, > >>> > >>> Please see inline. > >>> > >>> Cheers, > >>> Med > >>> > >>> De : multipathtcp [mailto:multipathtcp-bounces@ietf.org] De la part de > >> philip.eardley@bt.com > >>> Envoyé : lundi 8 août 2016 11:50 > >>> À : multipathtcp@ietf.org > >>> Objet : [multipathtcp] potential MPTCP proxy charter item > >>> > >>> I had thought a potential charter item could be something on the lines > >> of: > >>> <Experimental Extensions to the MPTCP protocol to enable an MPTCP- > aware > >> middlebox to act as an MPTCP proxy for an end host, which runs TCP. One > or > >> both end hosts may be MPTCP-unaware, and the MPTCP proxy(s) is (are) > not > >> necessarily on the default routing path(s). The working group will also > >> detail, in an Informational document, the use cases /deployment > scenarios > >> and the operational considerations.> > >>> > >>> [Med] I would like to see the charter includes the following; “The > >> working group will also edit Network-Assisted Multipath provisioning > >> documents. In particular, the WG will specify DHCP options and RADIUS > >> attributes for MPTCP.” > >>> > >>> > >>> WH> I am fine with this, but why do we state experimental extensions? > >> Why is this not main stream? > >>> However, if I get the discussion right, this is not quite right. > >>> * assume a controlled environment (to avoid a problem where the > message > >> reaches the ‘wrong’ proxy) (IETF usually prefers generally applicable > >> protocols) > >>> * assume some (?additional) ‘header swapping’ protocol and a new > >> signalling protocol (not an mptcp extension – so probably in INTAREA > WG’s > >> remit) > >>> [Med] IMHO, it is not odd to document in the mptcp wg how a Network- > >> Assisted MPTCP solution can also be applicable to other protocols (UDP > in > >> particular). This work can be done jointly/closely with other WGs. The > >> important point is whether there is enough interest from the mptpcp WG > >> members to work on this. > >>> WH> indeed is to specify the means in MPTCP WG and other WG can be > >> consulted to review the work. If you split it out it becomes less > >> efficient from a protocol perspective. > >>> If the above is roughly right, then I think some extra work is needed > >> before we can get a clear charter item. Can some of the work that isn’t > >> mptcp extensions be cleanly separated out? Can you be clear what > >> deployment assumptions are being made (and preferably reduce them, so > >> there is wider applicability). Personally I’d also find it very helpful > if > >> the plain/transparent ‘merged’ draft could try and follow the guidance > >> about protocol models in RFC4101 (personally I found the plain mode doc > >> difficult to understand). > >>> > >>> Thanks > >>> phil > >>> > >>> > >>> > >>> _______________________________________________ > >>> multipathtcp mailing list > >>> multipathtcp@ietf.org > >>> https://www.ietf.org/mailman/listinfo/multipathtcp > > > > _______________________________________________ > > multipathtcp mailing list > > multipathtcp@ietf.org > > https://www.ietf.org/mailman/listinfo/multipathtcp
- [multipathtcp] potential MPTCP proxy charter item philip.eardley
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Robert Skog
- Re: [multipathtcp] potential MPTCP proxy charter … Henderickx, Wim (Nokia - BE)
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Mirja Kühlewind
- Re: [multipathtcp] potential MPTCP proxy charter … Henderickx, Wim (Nokia - BE)
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Alan Ford
- Re: [multipathtcp] potential MPTCP proxy charter … Henderickx, Wim (Nokia - BE)
- Re: [multipathtcp] potential MPTCP proxy charter … Olivier Bonaventure
- Re: [multipathtcp] potential MPTCP proxy charter … Mirja Kühlewind
- Re: [multipathtcp] potential MPTCP proxy charter … Yoshifumi Nishida
- Re: [multipathtcp] potential MPTCP proxy charter … Henderickx, Wim (Nokia - BE)
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … christian.jacquenet
- Re: [multipathtcp] potential MPTCP proxy charter … Robert Skog
- Re: [multipathtcp] potential MPTCP proxy charter … Mirja Kühlewind
- Re: [multipathtcp] potential MPTCP proxy charter … philip.eardley
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Alan Ford
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Alan Ford
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Alan Ford
- Re: [multipathtcp] potential MPTCP proxy charter … Mirja Kühlewind
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Alan Ford
- Re: [multipathtcp] potential MPTCP proxy charter … Olivier Bonaventure
- Re: [multipathtcp] potential MPTCP proxy charter … Alan Ford
- Re: [multipathtcp] potential MPTCP proxy charter … Olivier Bonaventure
- Re: [multipathtcp] potential MPTCP proxy charter … Mirja Kühlewind
- Re: [multipathtcp] potential MPTCP proxy charter … Joe Touch
- Re: [multipathtcp] potential MPTCP proxy charter … Joe Touch
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Joe Touch
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Alan Ford
- Re: [multipathtcp] potential MPTCP proxy charter … Joe Touch
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Alan Ford
- Re: [multipathtcp] potential MPTCP proxy charter … Christoph Paasch
- Re: [multipathtcp] potential MPTCP proxy charter … Olivier Bonaventure
- Re: [multipathtcp] potential MPTCP proxy charter … Olivier Bonaventure
- Re: [multipathtcp] potential MPTCP proxy charter … Olivier Bonaventure
- Re: [multipathtcp] potential MPTCP proxy charter … Olivier Bonaventure
- Re: [multipathtcp] potential MPTCP proxy charter … Alan Ford
- Re: [multipathtcp] potential MPTCP proxy charter … Alan Ford
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Olivier Bonaventure
- Re: [multipathtcp] potential MPTCP proxy charter … Olivier Bonaventure
- Re: [multipathtcp] potential MPTCP proxy charter … Olivier Bonaventure
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Mirja Kühlewind
- Re: [multipathtcp] potential MPTCP proxy charter … Mirja Kühlewind
- Re: [multipathtcp] potential MPTCP proxy charter … Joe Touch
- Re: [multipathtcp] potential MPTCP proxy charter … Joe Touch
- Re: [multipathtcp] potential MPTCP proxy charter … Christoph Paasch
- Re: [multipathtcp] potential MPTCP proxy charter … Joe Touch
- Re: [multipathtcp] potential MPTCP proxy charter … Alan Ford
- Re: [multipathtcp] potential MPTCP proxy charter … Christoph Paasch
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Alan Ford
- Re: [multipathtcp] potential MPTCP proxy charter … Alan Ford
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Joe Touch
- Re: [multipathtcp] potential MPTCP proxy charter … Joe Touch
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Joe Touch
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Mirja Kühlewind
- Re: [multipathtcp] potential MPTCP proxy charter … Mirja Kühlewind
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Alan Ford
- Re: [multipathtcp] potential MPTCP proxy charter … Joe Touch
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Alan Ford
- Re: [multipathtcp] potential MPTCP proxy charter … Joe Touch
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Alan Ford
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Joe Touch
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Joe Touch
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … Joe Touch
- Re: [multipathtcp] potential MPTCP proxy charter … Alan Ford
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair
- Re: [multipathtcp] potential MPTCP proxy charter … mohamed.boucadair