Re: [xrblock] I-D Action: draft-ietf-xrblock-rtcweb-rtcp-xr-metrics-01.txt

"Romascanu, Dan (Dan)" <dromasca@avaya.com> Mon, 18 May 2015 08:31 UTC

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From: "Romascanu, Dan (Dan)" <dromasca@avaya.com>
To: Varun Singh <vsingh.ietf@gmail.com>, Shida Schubert <shida@ntt-at.com>
Thread-Topic: [xrblock] I-D Action: draft-ietf-xrblock-rtcweb-rtcp-xr-metrics-01.txt
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Date: Mon, 18 May 2015 08:31:10 +0000
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Subject: Re: [xrblock] I-D Action: draft-ietf-xrblock-rtcweb-rtcp-xr-metrics-01.txt
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Agreed.

Thanks and Regards,

Dan


From: Varun Singh [mailto:vsingh.ietf@gmail.com]
Sent: Monday, May 18, 2015 11:06 AM
To: Romascanu, Dan (Dan); Shida Schubert
Cc: xrblock
Subject: Re: [xrblock] I-D Action: draft-ietf-xrblock-rtcweb-rtcp-xr-metrics-01.txt


Yes, however I would prefer we resolve the next steps for the eratta before the meeting as the resulting reference may be needed for the webrtc-metrics draft.

On Sun 17 May, 2015 16:14 Romascanu, Dan (Dan) <dromasca@avaya.com<mailto:dromasca@avaya.com>> wrote:
Hi Varun,

Thanks for following up. IMO we can go ahead with an errata.

We are planning the agenda for a meeting at IETF 93 - should we include this on the agenda?

Thanks and Regards,

Dan


> -----Original Message-----
> From: xrblock [mailto:xrblock-bounces@ietf.org<mailto:xrblock-bounces@ietf.org>] On Behalf Of Varun Singh
> Sent: Sunday, May 17, 2015 2:01 PM
> To: Shida Schubert
> Cc: xrblock
> Subject: Re: [xrblock] I-D Action: draft-ietf-xrblock-rtcweb-rtcp-xr-metrics-
> 01.txt
>
> Hi Shida, Dan,
>
> Following up on the email, what is the suggested next step? Should I go
> ahead and report an errata?
>
> On Sat, Mar 28, 2015 at 7:53 PM, Shida Schubert <shida@ntt-at.com<mailto:shida@ntt-at.com>> wrote:
> > Hi;
> >
> >  So looking at
> >
> >
> > https://urldefense.proofpoint.com/v2/url?u=http-
> 3A__www.ietf.org_iesg_
> > statement_errata-
> 2Dprocessing.html&d=AwIGaQ&c=BFpWQw8bsuKpl1SgiZH64Q&r
> >
> =I4dzGxR31OcNXCJfQzvlsiLQfucBXRucPvdrphpBsFA&m=EO2lZ9ZXM56Ouuop
> 5sSOo6_
> > J48bwWZeMPcbkas3y7GE&s=OExds-hSrs-
> TVixjuKhfH84nufIZjBl_k3CDIYWVmII&e=
> >
> >  My feeling is that we can probably do this as an errata.
> >
> >  I do think some of the people contributing to this WG who have
> > experience chairing long running WG where errata/bis are common can
> > probably give better guidance though.
> >
> >  Thanks
> >
> >  Shida as co-chair
> >
> > On Mar 26, 2015, at 9:05 AM, Huangyihong (Rachel)
> > <rachel.huang@huawei.com<mailto:rachel.huang@huawei.com>>
> > wrote:
> > Dear all,
> >
> > I prefer 6.7 too. As for the issue raised by Varun, will it be a
> > technical errata to RFC7003 or a new draft to define the missing metric?
> >
> > BR,
> > Rachel
> >
> > -----邮件原件-----
> > 发件人: xrblock [mailto:xrblock-bounces@ietf.org<mailto:xrblock-bounces@ietf.org>] 代表 Varun Singh
> > 发送时间: 2015年3月26日 23:45
> > 收件人: Roni Even
> > 抄送: xrblock@ietf.org<mailto:xrblock@ietf.org>
> > 主题: Re: [xrblock] I-D Action:
> > draft-ietf-xrblock-rtcweb-rtcp-xr-metrics-01.txt
> >
> > Thank you Roni for the review and  feedback.
> >
> > I too prefer 6.7, however, 6.8 has gapDiscardRate and gapLossRate in
> > addition to burstDiscardRate and burstLossRate, which cannot be
> > derived by the raw information in 6.7.
> > Would we be unhappy if the gapRates were removed or missing?
> >
> > The other minor issue/bug within 6.7, that there is no definition for
> > burstDiscardCount in any XR draft. This would require a new draft and
> > can be proceeded in parallel.
> >
> >
> > -Varun
> >
> > On Thu, Mar 26, 2015 at 9:14 AM, Roni Even <ron.even.tlv@gmail.com<mailto:ron.even.tlv@gmail.com>>
> wrote:
> >
> > Hi Varun,
> >
> > I think that we can keep 6.7 and remove 6.8. Having the actual numbers
> > allows for calculating rate and other statistics, so I find it more
> > useful
> >
> > Roni Even
> >
> >
> >
> > From: xrblock [mailto:xrblock-bounces@ietf.org<mailto:xrblock-bounces@ietf.org>] On Behalf Of Varun
> > Singh
> > Sent: 28 February, 2015 10:48 PM
> > To: xrblock@ietf.org<mailto:xrblock@ietf.org>
> > Subject: Re: [xrblock] I-D Action:
> > draft-ietf-xrblock-rtcweb-rtcp-xr-metrics-01.txt
> >
> >
> >
> > Hi all,
> >
> > The -01 draft incorporates the changes discussed at IETF 91.
> > - new registry defined for WebRTC Statistics API
> > - added the SR and RR metrics, which were earlier in
> > draft-alvestrand-rtcweb-stats-registry
> > - changed the TitleCased identifiers to camelCase, to keep consistency
> > with the W3C document.
> >
> > OPEN ISSUE (burst metrics):
> > The document currently defines two sets of burst metrics
> > - Section 6.7: Reports cumulative packets in a burst and the
> > corresponding burst counts.
> > - Section 6.8.: Reports the average fraction of packets lost in a burst/gap.
> >
> > From section 6.7, we can infer the average burst of packet
> > loss/discards by dividing the total_packets_lost_in_burst/burst_count.
> >
> > From section 6.8, we can infer the impact of the burst packet loss,
> > i.e.,
> >
> > total_burst_loss/totel_expected_packets/burst_count
> >
> > Do we keep both? or pick one?
> >
> > Thoughts and comments on the open issue and the document in general
> > are appreciated.
> >
> > Regards,
> > Varun (on behalf of the authors)
> >
> >
> >
> >
> > On Sat, Feb 28, 2015 at 7:22 PM, <internet-drafts@ietf.org<mailto:internet-drafts@ietf.org>> wrote:
> >
> >
> > A New Internet-Draft is available from the on-line Internet-Drafts
> > directories.
> > This draft is a work item of the Metric Blocks for use with RTCP's
> > Extended Report Framework Working Group of the IETF.
> >
> > Title : Considerations for Selecting RTCP Extended Report (XR) Metrics
> > for the WebRTC Statistics API Authors : Varun Singh Rachel Huang Roni
> > Even Dan Romascanu Lingli Deng Filename :
> > draft-ietf-xrblock-rtcweb-rtcp-xr-metrics-01.txt
> > Pages : 17
> > Date : 2015-02-28
> >
> > Abstract:
> > This document describes monitoring features related to media streams
> > in Web real-time communication (WebRTC). It provides a list of RTCP
> > Sender Report, Receiver Report and Extended Report metrics, which may
> > need to be supported by RTP implementations in some diverse
> > environments. It also defines a new IANA registry, a list of
> > identifiers for the WebRTC's statistics API. These identifiers are a
> > set of RTCP SR, RR, and XR metrics related to the transport of
> > multimedia flows.
> >
> >
> > The IETF datatracker status page for this draft is:
> >
> > https://urldefense.proofpoint.com/v2/url?u=https-3A__datatracker.ietf.
> > org_doc_draft-2Dietf-2Dxrblock-2Drtcweb-2Drtcp-2Dxr-
> 2Dme&d=AwIGaQ&c=BF
> >
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> N15SD_GkT
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> > trics/
> >
> > There's also a htmlized version available at:
> > https://urldefense.proofpoint.com/v2/url?u=http-3A__tools.ietf.org_htm
> > l_draft-2Dietf-2Dxrblock-2Drtcweb-2Drtcp-2Dxr-2Dmetrics-
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> > 01
> >
> > A diff from the previous version is available at:
> >
> > https://urldefense.proofpoint.com/v2/url?u=http-
> 3A__www.ietf.org_rfcdi
> > ff-3Furl2-3Ddraft-2Dietf-2Dxrblock-2Drtcweb-2Drtcp-2Dxr-
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> > trics-01
> >
> >
> > Please note that it may take a couple of minutes from the time of
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> > tools.ietf.org<https://urldefense.proofpoint.com/v2/url?u=http-3A__tools.ietf.org&d=AwMFaQ&c=BFpWQw8bsuKpl1SgiZH64Q&r=I4dzGxR31OcNXCJfQzvlsiLQfucBXRucPvdrphpBsFA&m=eBo0hQjBj0I4zZZfvVHTa6F6HIqpI1k-zn3EpvlHUEs&s=vITm3JEYs2oslM4WkXw8PWe2tttbk61Nskql2Bt3Bp4&e=>tttbk61Nskql2Bt3Bp4&e=>.
> >
> > Internet-Drafts are also available by anonymous FTP at:
> > https://urldefense.proofpoint.com/v2/url?u=ftp-3A__ftp.ietf.org_intern
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