Re: [multipathtcp] multipathtcp Digest, Vol 125, Issue 10

Hi Med,
	I have a question regarding this point " to use a given subflow only where there is a need to grab more resources (that is, don?t use this subflow if data can be placed on other subflows)." MP_PRIO option with 'b' bit can be used to achieve the same,  then why need new option?

Regards,
Nagesh S

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Sent: 12 July 2019 17:18
To: multipathtcp@ietf.org
Subject: multipathtcp Digest, Vol 125, Issue 10

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Today's Topics:

   1. Re: Fw: New Version Notification for
      draft-hoang-mptcp-sub-rate-limit-00.txt (mohamed.boucadair@orange.com)

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Message: 1
Date: Fri, 12 Jul 2019 11:47:28 +0000
From: <mohamed.boucadair@orange.com>
To: Viet Hoang Tran <hoang.tran@uclouvain.be>, multipathtcp
	<multipathtcp@ietf.org>
Subject: Re: [multipathtcp] Fw: New Version Notification for
	draft-hoang-mptcp-sub-rate-limit-00.txt
Message-ID:
	<787AE7BB302AE849A7480A190F8B93302EACB063@OPEXCAUBMA2.corporate.adroot.infra.ftgroup>

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Hi Hoang, all,

Thank you for igniting this work.

FWIW, we used to have this requirement in draft-nam-mptcp-deployment-considerations (with cellular networks in mind):

   ?For cases where some access networks are subject to a volume quota,
   it is desirable to support a signal to indicate to a remote peer how
   it must place data into available subflows?.

The rate-limit option as currently defined may not be adequate. I would like an option which allows to tell a remote peer, for example:

?         to use a given subflow only where there is a need to grab more resources (that is, don?t use this subflow if data can be placed on other subflows).

?         ?here is my suggested inbound traffic distribution ratio among established subflows?.

?         ?here is the maximum data that can be placed in a given subflow?.

Did you consider those schemes?

Cheers,
Med

--------- Original Message ---------

Sender : Viet Hoang Tran <hoang.tran@uclouvain.be>

Date : 2019-07-09 14:35 (GMT+5:30)

Title : [multipathtcp] Fw: New Version Notification for draft-hoang-mptcp-sub-rate-limit-00.txt

We submitted two drafts on  Subflow Rate Limit Option and

 Inactivity Time Option (https://tools.ietf.org/html/draft-hoang-mptcp-inactivity-time-00)

Feedbacks and suggestions are more than welcomed.

Thanks,

Hoang & Olivier

________________________________________

From: internet-drafts@ietf.org <internet-drafts@ietf.org>

Sent: Monday, 8 July 2019 16:28

To: Viet Hoang Tran; Olivier Bonaventure; Olivier Bonaventure

Subject: New Version Notification for draft-hoang-mptcp-sub-rate-limit-00.txt

A new version of I-D, draft-hoang-mptcp-sub-rate-limit-00.txt

has been successfully submitted by Viet-Hoang Tran and posted to the

IETF repository.

Name:           draft-hoang-mptcp-sub-rate-limit

Revision:       00

Title:          Multipath TCP Subflow Rate Limit Option

Document date:  2019-07-08

Group:          Individual Submission

Pages:          6

URL:            https://www.ietf.org/internet-drafts/draft-hoang-mptcp-sub-rate-limit-00.txt

Status:         https://datatracker.ietf.org/doc/draft-hoang-mptcp-sub-rate-limit/

Htmlized:       https://tools.ietf.org/html/draft-hoang-mptcp-sub-rate-limit-00

Htmlized:       https://datatracker.ietf.org/doc/html/draft-hoang-mptcp-sub-rate-limit

Abstract:

   This document defines a new MPTCP Option that enables hosts to

   request their peers to limit the maximum transfer rate on a per-

   subflow basis.

Please note that it may take a couple of minutes from the time of submission

until the htmlized version and diff are available at tools.ietf.org.

The IETF Secretariat

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