Re: [multipathtcp] potential MPTCP proxy charter item
<mohamed.boucadair@orange.com> Wed, 19 October 2016 05:28 UTC
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From: mohamed.boucadair@orange.com
To: Mirja Kühlewind <mirja.kuehlewind@tik.ee.ethz.ch>
Thread-Topic: [multipathtcp] potential MPTCP proxy charter item
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Date: Wed, 19 Oct 2016 05:28:02 +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 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] 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