Thinking out loud If the target applications for HPCC++ are in the URLLC class, perhaps the DetNet WG might be interested in this presentation.
Regards, Greg On Tue, Mar 15, 2022 at 2:48 PM Acee Lindem (acee) <acee= [email protected]> wrote: > Hi Rui, > > > > Ok – I don’t know that the fact the telemetry which is a byproduct of the > congestion control can be used as TE path selection criteria makes this > applicable to the Routing Area. That is a real stretch…. Independent of > specific transports, congestion control is a transport problem. > > > > Thanks, > > Acee > > > > *From: *"Miao, Rui" <[email protected]> > *Reply-To: *"Miao, Rui" <[email protected]> > *Date: *Tuesday, March 15, 2022 at 5:18 PM > *To: *Acee Lindem <[email protected]>, Routing WG <[email protected]> > *Subject: *Re: New Version Notification for > draft-miao-rtgwg-hpccplus-00.txt > > > > Hi Acee, > > > > Thanks for the comment. > > > > HPCC++ proposes an approach to leverage the in-band telemetry for traffic > admission and path selection, which we think is more relevant to routing > decisions. Besides, HPCC++ is orthogonal to any transports and thus we have > several example implementations in the draft. > > > > Thanks, > > Rui > > > > ------------------------------------------------------------------ > > From:Acee Lindem (acee) <[email protected]> > > Sent At:2022 Mar. 15 (Tue.) 12:43 > > To:Rui <[email protected]>; rtgwg <[email protected]> > > Subject:Re: New Version Notification for draft-miao-rtgwg-hpccplus-00.txt > > > > Why is this draft in the Routing WG? This work is more applicable to the > Transport or Internet Area. > > > > Acee > > > > *From: *rtgwg <[email protected]> on behalf of "Miao, Rui" <miao.rui= > [email protected]> > *Reply-To: *"Miao, Rui" <[email protected]> > *Date: *Tuesday, March 15, 2022 at 2:42 PM > *To: *Routing WG <[email protected]> > *Subject: *Fw: New Version Notification for > draft-miao-rtgwg-hpccplus-00.txt > > > > Hello All, > > > > We have posted an updated version of HPCC++ at > https://datatracker.ietf.org/doc/draft-miao-rtgwg-hpccplus/ . > > > > There are two major changes since the last presentation. First, since > HPCC++ is orthogonal to different in-band telemetry formats and transport > protocols, we introduce a few reference implementations over those > protocols for people to quickly pick up. > > Second, we advocate a better routing scheme for path selection and traffic > admission, building on top of HPCC++'s precise link load information. > > > > Please provide any comments you may have on the draft or its extensions. > > > > Thanks, > > Rui > > > > > > > > > > ------------------------------------------------------------------ > > From:internet-drafts <[email protected]> > > Sent At:2022 Mar. 7 (Mon.) 14:35 > > To:Harry <[email protected]>; Barak Gafni <[email protected]>; > Changhoon Kim <[email protected]>; Jeff Tantsura < > [email protected]>; Jeongkeun Lee <[email protected]>; Rong Pan < > [email protected]>; Rui <[email protected]>; Yuval Shpigelman < > [email protected]> > > Subject:New Version Notification for draft-miao-rtgwg-hpccplus-00.txt > > > > > A new version of I-D, draft-miao-rtgwg-hpccplus-00.txt > has been successfully submitted by Rui Miao and posted to the > IETF repository. > > Name: draft-miao-rtgwg-hpccplus > Revision: 00 > Title: HPCC++: Enhanced High Precision Congestion Control > Document date: 2022-03-07 > Group: Individual Submission > Pages: 20 > URL: > https://www.ietf.org/archive/id/draft-miao-rtgwg-hpccplus-00.txt > Status: > https://datatracker.ietf.org/doc/draft-miao-rtgwg-hpccplus/ > Htmlized: > https://datatracker.ietf.org/doc/html/draft-miao-rtgwg-hpccplus > > > Abstract: > Congestion control (CC) is the key to achieving ultra-low latency, > high bandwidth and network stability in high-speed networks. > However, the existing high-speed CC schemes have inherent limitations > for reaching these goals. > > In this document, we describe HPCC++ (High Precision Congestion > Control), a new high-speed CC mechanism which achieves the three > goals simultaneously. HPCC++ leverages inband telemetry to obtain > precise link load information and controls traffic precisely. By > addressing challenges such as delayed signaling during congestion and > overreaction to the congestion signaling using inband and granular > telemetry, HPCC++ can quickly converge to utilize all the available > bandwidth while avoiding congestion, and can maintain near-zero in- > network queues for ultra-low latency. HPCC++ is also fair and easy > to deploy in hardware, implementable with commodity NICs and > switches. > > > > > > The IETF Secretariat > > > > _______________________________________________ > rtgwg mailing list > [email protected] > https://www.ietf.org/mailman/listinfo/rtgwg >
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