Re: [tcpm] [tsvwg] Agenda requests for TSVWG@IETF101

[Yingzhen Qu <[e-mail]>]

Hi Michael,

Sorry for the late response.

Thanks for pointing out that we missed this important reference. You're
right, Quick-Start and our proposal do have lots of similarities, for
example both of them require that end-points and routers to work together.
But they are also different in details. For example, in our proposal
in-band signaling proposal bandwidth is reserved on routers along the path.

In next version of this draft, We'll add discussions about RFC 4728 and
6077.

BTW, can I request a slot to present this draft in TCPM if time allows?

Thanks,
Yingzhen

On Mon, Mar 5, 2018 at 12:09 AM, Scharf, Michael (Nokia - DE/Stuttgart) <
[e-mail]> wrote:

> I believe that this proposal is similar to QuickStart TCP (RFC 4782),
> which is not cited in draft-han-tsvwg-cc, and the reference is also missing
> in draft-han-6man-in-band-signaling-for-transport-qos.
>
>
>
> RFC 6077 explains some of the issues that an in-band signaling mechanism
> like Quick-Start has to solve. As far as I can tell, the fundamental
> challenge is neither the protocol specification nor a prototype
> implementation. For instance, it has been proven that QuickStart TCP can be
> implemented e.g. in network processors (see http://www.ikr.uni-stuttgart.
> de/Content/Publications/Archive/Sf_Diss_40112.pdf).
>
>
>
> So, when updating the documents, I suggest to add a discussion of how the
> open research issues explained in RFC 6077 are addressed.
>
>
>
> Michael
>
>
>
>
>
> *From:* Yingzhen Qu [mailto:[e-mail]]
> *Sent:* Sunday, March 04, 2018 9:59 PM
> *To:* [e-mail]
> *Cc:* Scharf, Michael (Nokia - DE/Stuttgart) <[e-mail]>;
> Thomas Nadeau <[e-mail]>; [e-mail]; Yingzhen Qu <
> [e-mail]>; [e-mail]; [e-mail]
> *Subject:* Re: [tsvwg] Agenda requests for TSVWG@IETF101
>
>
>
> Hi Gorry and Michael,
>
>
>
> Thanks for the suggestion, I'll request a presentation in ICCRG.
> Meanwhile, I think since the in-band signaling draft was presented in
> TSVWG, if time allows it still makes sense to present this draft in TSVWG.
>
>
>
> The in-band signaling draft covers lots of aspects, and the required
> changes include network layer and transport layer. We're working on
> updating the draft, and may break it into pieces to fit different WGs.
>
>
>
> Your comments and help are very much appreciated.
>
>
>
> Thanks,
>
> Yingzhen
>
>
>
> On Sun, Mar 4, 2018 at 4:49 AM, Gorry Fairhurst <[e-mail]>
> wrote:
>
> I am unsure yet what the correct group of people world be to explore a
> "Bandwidth Guaranteed Network". The presentation last IETF looked like the
> work could imply a need for changes proposed to the network layer (using
> OAM exchnages) to set the sending rate and make those bandwidth
> reservations.  In the end, it could result in a protocol quite different to
> TCP, I think this sort of change may possibly have a home in TSVWG  - but
> first I'd agree with Michaeland would encourage a presentation of the
> problem statement in ICCRG to explore the issues.
>
> Gorry
>
> On 04/03/2018, 10:34, Scharf, Michael (Nokia - DE/Stuttgart) wrote:
>
>
> Hi all,
>
> From the abstract: “…This draft proposes a new TCP congestion control
> algorithm used in bandwidth guaranteed networks.  It is an extension to the
> current TCP standards.”
>
> In the IETF, I believe the expertise for this specific document would be
> in TCPM, which in CC. If the authors are interested in feedback on the
> proposed mechanism, I would recommend to ask TCPM.
>
> Alternatively, corresponding research could perhaps be performed in the
> ICCRG. ICCRG has published RFC 6077 to document some of the open research
> issues in this space.
>
> Michael
>
> *From:*tsvwg [mailto:[e-mail]] *On Behalf Of *Yingzhen Qu
> *Sent:* Sunday, March 04, 2018 6:55 AM
> *To:* [e-mail]; [e-mail]
> *Cc:* Thomas Nadeau <[e-mail]>
> *Subject:* [tsvwg] Agenda requests for TSVWG@IETF101
>
> Dear Chairs,
>
> A new draft (The draft was suggested by TSVWG @IETF100) was just
> submitted, and we’d like to request a time slot to present it @IETF101.
>
> Title:A New Congestion Control in Bandwidth Guaranteed Network
>
> Presenter: Yingzhen Qu (Huawei)
>
> Time required (including Q/A): 10 mins
>
> Draft: https://datatracker.ietf.org/doc/draft-han-tsvwg-cc/
>
> If there is any question, please kindly let us know.
>
> Thanks,
>
> Yingzhen
>
>
>
>
>