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

"Scharf, Michael (Nokia - DE/Stuttgart)" <michael.scharf@nokia.com> Tue, 05 December 2017 22:48 UTC

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From: "Scharf, Michael (Nokia - DE/Stuttgart)" <michael.scharf@nokia.com>
To: Joe Touch <touch@strayalpha.com>, "mohamed.boucadair@orange.com" <mohamed.boucadair@orange.com>, "tcpm@ietf.org" <tcpm@ietf.org>, multipathtcp <multipathtcp@ietf.org>
Thread-Topic: [tcpm] [multipathtcp] Working group acceptance of draft-bonaventure-mptcp-converters ?
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Date: Tue, 05 Dec 2017 22:48:23 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/multipathtcp/f1UYoi6IEBEsdD6ATs0bt-1xxlU>
Subject: Re: [multipathtcp] [tcpm] Working group acceptance of draft-bonaventure-mptcp-converters ?
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Hi Joe, all,

Regarding "*out of scope for* TCPM":  Whether a document is in scope of TCPM, or not, depends on the TCPM charter wording. It is perfectly valid to question whether a document is indeed allowed by the current charter. Yet, keep in mind that we could also discuss rechartering TCPM if there was a need. Of course, rechartering TCPM would, amongst others, require very strong working group consensus and IESG approval.
 
The first prerequisite for any work in TCPM is clear interest, energy, and consensus in the community. For the moment, we try to understand if these requirements are fulfilled, or not.

Thanks

Michael


> -----Original Message-----
> From: Joe Touch [mailto:touch@strayalpha.com]
> Sent: Tuesday, December 05, 2017 3:39 PM
> To: mohamed.boucadair@orange.com; Scharf, Michael (Nokia - DE/Stuttgart)
> <michael.scharf@nokia.com>; tcpm@ietf.org; multipathtcp
> <multipathtcp@ietf.org>
> Subject: Re: [tcpm] [multipathtcp] Working group acceptance of draft-
> bonaventure-mptcp-converters ?
> 
> Med,
> 
> Cutting to the points:
> 
> - expressing the IP/port in-band is fine; saying it is "in the SYN"
> directly is not
>     - as a user of TCP, an application-layer program does not have that control
> 
> - if this is really (as you say) an application proxy" then let's assume you just
> indicate "send the IP/port as the first data in the stream"
>     - in that case, you are an application and not a change to TCP, so *out of
> scope for* TCPM
>     - in that case, you also basically undermine a given service (moving its port
> AND changing its stream contents) for the purpose of increasing use of some
> TCP options (this is where the history of TCPMUX RFC1078 is useful - see
> RFC7805).
> 
> Either way, my view is this document should not be adopted by TCPM.
> 
> Joe

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