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Re: [multipathtcp] A question related to MPTCP control overhead

"Sargent, Matthew T. (GRC-LCA0)[Peerless Technologies]" <matthew.t.sargent@nasa.gov> Wed, 12 April 2017 13:34 UTC

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From: "Sargent, Matthew T. (GRC-LCA0)[Peerless Technologies]" <matthew.t.sargent@nasa.gov>
To: Sayee Kompalli Chakravartula <sayee.kompalli.chakravartula@huawei.com>
CC: "Olivier.Bonaventure@uclouvain.be" <Olivier.Bonaventure@uclouvain.be>, "multipathtcp@ietf.org" <multipathtcp@ietf.org>
Thread-Topic: [multipathtcp] A question related to MPTCP control overhead
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Date: Wed, 12 Apr 2017 13:33:57 +0000
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Subject: Re: [multipathtcp] A question related to MPTCP control overhead
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Hi Sayee,

Thanks for the response! What you are proposing is clearer to me now. I misunderstood part of a previous email:

> 
> On Apr 11, 2017, at 9:33 AM, Sayee Kompalli Chakravartula <sayee.kompalli.chakravartula@huawei.com> wrote:
> 
> The same approach works with my proposal too, but with one little observation. Whenever the state variable NUM_SUBFLOW transitions from two to one, all the DSS related information is discarded, i.e., the space of DSNs and the mapping are removed from the protocol control block.
> 

I thought the proposal was originally to stop using the DSS as soon as a subflow goes away without any sort of signaling, which I could not grok. :-) I'm glad to see I was mistaken. I will try to think over your proposal in more depth beyond my quick reading of it just now.

Thanks,
Matt

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