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

[Olivier Bonaventure <[e-mail]>]

Joe, Michael,

>> Regarding "*out of scope for* TCPM":  Whether a document is in scope of TCPM, or not, depends on the TCPM charter wording.
> Although I appreciate that's strictly true, I doubt the charter would
> change to include "haiku development".
 >
> By the same token, IMO, this doc falls into one of two categories:
> 
> 1) if, as is, it proposes direct placement of out-of-band data in the
> SYN payload, I think it is a bad idea and not worth pursuing in TCPM
> 
> 2) if, instead, it is corrected to explain that its use of the data
> channel for proxy information is simply a conventional application data
> path, then it would not be a "modification of TCP" at all (minor or
> otherwise). If that isn't clearly out of scope for TCPM, I do not know
> what is or ever would be (can we start haiku next, in that case?)

The converter draft clearly defines an application level protocol that 
leverages TFO. This draft defines the format of the messages that are 
exchanged at the beginning of the bytestream in both directions. There 
is no out-of-band data in the SYN.

I guess that the main reason why our AD suggested to discuss this draft 
in the tcpm working group is that it could help the deployment of new 
TCP options. History shows that deploying news TCP options on client and 
servers is a very long process. If we can speedup or encourage this 
deployment, then this will be beneficial for TCP even if at this stage 
the main use case comes from Multipath TCP where there is a clear 
benefit in having Multipath TCP on a a subset of the end-to-end path.

I'll let the ADs comment on whether converters are in scope of a 
specific working group.


Olivier

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