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Re: [multipathtcp] [tcpm] Working group acceptance of draft-bonaventure-mptcp-converters ?

"Eggert, Lars" <lars@netapp.com> Mon, 04 December 2017 18:50 UTC

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From: "Eggert, Lars" <lars@netapp.com>
To: Yuchung Cheng <ycheng@google.com>
CC: Joe Touch <touch@strayalpha.com>, multipathtcp <multipathtcp@ietf.org>, "tcpm@ietf.org" <tcpm@ietf.org>
Thread-Topic: [tcpm] [multipathtcp] Working group acceptance of draft-bonaventure-mptcp-converters ?
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Date: Mon, 04 Dec 2017 18:50:40 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/multipathtcp/QjiDgVGVG4WrLEJF23bji_iPI7E>
Subject: Re: [multipathtcp] [tcpm] Working group acceptance of draft-bonaventure-mptcp-converters ?
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On 2017-12-4, at 19:24, Yuchung Cheng <ycheng@google.com> wrote:
> On Sun, Dec 3, 2017 at 12:30 PM, Joe Touch <touch@strayalpha.com <mailto:touch@strayalpha.com>> wrote:
>> On 12/3/2017 12:09 PM, Scharf, Michael (Nokia - DE/Stuttgart) wrote:
>>> The TCPM charter states that the "WG mostly focuses on maintenance issues
>>> (e.g., bug fixes) and modest changes to the protocol, algorithms, and
>>> interfaces that maintain TCP's utility". Assisting the deployment of new TCP
>>> extensions could be understood as one way to ensure TCP's utility.
>> 
>>  "The client places the destination address and port number of the
>>   target Server in the payload of the SYN sent to the Converter by
>>   leveraging TCP Fast Open [RFC7413]."
>> 
>> I disagree with any use of TCP SYN payloads as anything other than
>> application data. At best, the mechanism attempts to re-create an
>> extension of TCPMUX, which was deprecated for good reason.
>> 
>> Additionally, this is claimed to be an application proxy, which would be
>> out of scope both for TCPM and to modify the definition of the contents
>> or directly manipulate the headers of any TCP segments.
>> 
>> My position is as follows:
>>    - I don't think this doc should be adopted by the WG
> I too do not support the adoption for similar reasons above

+1

Lars

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