Re: [multipathtcp] Consensus call on potential MPTCP proxy work

Juliusz Chroboczek <jch@irif.fr> Fri, 28 April 2017 19:47 UTC

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Date: Fri, 28 Apr 2017 21:46:30 +0200
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From: Juliusz Chroboczek <jch@irif.fr>
To: Joe Touch <touch@isi.edu>
Cc: "multipathtcp@ietf.org" <multipathtcp@ietf.org>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/multipathtcp/uE_hhq-st1P15TAGxFIRygXOiRI>
Subject: Re: [multipathtcp] Consensus call on potential MPTCP proxy work
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>>> [Med] The main point Joe is that the IETF has standard track documents
>>> that specify a TCP state machine when NAT is used. We are leveraging
>>> that state machine for the MPTCP proxy work.

>> I think that's an important point.

> And I think it is incorrect, at least for the split-TCP case.

Yes, I think that what Mohammed is saying is that the "plain mode proxy",
as currently defined, requires NAT-style techniques.  I'd argue that this
makes it neither plain nor a proxy.

-- Juliusz