Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-rtcp-xr-jb-02.txt
Kevin Gross <kevin.gross@avanw.com> Thu, 17 January 2013 00:58 UTC
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Date: Wed, 16 Jan 2013 17:58:18 -0700
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From: Kevin Gross <kevin.gross@avanw.com>
To: "Romascanu, Dan (Dan)" <dromasca@avaya.com>
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Cc: xrblock <xrblock@ietf.org>
Subject: Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-rtcp-xr-jb-02.txt
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Qin and I talked last night (his morning) and we got to a place where I can propose some changes. It looks like there's been more discussion on this today. I'll also review that before proposing anything. Kevin Gross +1-303-447-0517 Media Network Consultant AVA Networks - www.AVAnw.com <http://www.avanw.com/>, www.X192.org On Wed, Jan 16, 2013 at 3:36 AM, Romascanu, Dan (Dan) <dromasca@avaya.com>wrote: > Kevin, Qin,**** > > ** ** > > Do you want to discuss this one2one, or should we organize a short > conference call? Do other think that they can contribute to clarify the > issues, or want to participate? **** > > ** ** > > Dan**** > > ** ** > > ** ** > > ** ** > > *From:* xrblock-bounces@ietf.org [mailto:xrblock-bounces@ietf.org] *On > Behalf Of *Kevin Gross > *Sent:* Tuesday, January 15, 2013 11:08 PM > > *To:* Qin Wu > *Cc:* xrblock > *Subject:* Re: [xrblock] Fw: I-D Action: > draft-ietf-xrblock-rtcp-xr-jb-02.txt**** > > ** ** > > I think we need to have a phone call to discuss this whole thing.**** > > > **** > > Kevin Gross**** > > +1-303-447-0517**** > > Media Network Consultant**** > > AVA Networks - www.AVAnw.com <http://www.avanw.com/>, www.X192.org**** > > ** ** > > On Mon, Jan 14, 2013 at 8:27 PM, Qin Wu <bill.wu@huawei.com> wrote:**** > > Hi,Kevin:**** > > I like to make some additioal clarification to your question.**** > > I think the packet arrives exactly on time, is also referred to the packet > that has nominal delay.**** > > So we have two ways to address this. **** > > a. It is more like implementation specific issue,e.g., rely on timing > information in the headers of previous **** > > packet and current packet or rely on time window to determine this. So we > can leave this to the specific**** > > implemenations. **** > > **** > > b. we can explain the packet that arrives exactly on time as the packet > that has nominal delay.**** > > The nominal delay can either be choosen as the jitter buffer delay for the > packet with minimal delay(i.e., **** > > the reference packet is choosen as the packet with minmal delay) or > average delay for all the packets that arrives**** > > within the implementation specific time window during the measurement > interval.**** > > I am not sure we should details to talk about this, but If we take (b), > we prefer to add the following sentence in the draft to say:**** > > "Note that the reference packet is generally selected as the packet > with minimum delay based on the most common criterion (see Sections 1<http://tools.ietf.org/html/rfc6798#section-1> and > 5.1 of [RFC5481 <http://tools.ietf.org/html/rfc5481>]).**** > > "**** > > Let me know what you think about this.**** > > **** > > Regards!**** > > -Qin**** > > ----- Original Message ----- **** > > *From:* Qin Wu <bill.wu@huawei.com> **** > > *To:* Kevin Gross <kevin.gross@avanw.com> **** > > *Cc:* xrblock <xrblock@ietf.org> **** > > *Sent:* Monday, January 14, 2013 8:46 AM**** > > *Subject:* Re: [xrblock] Fw: I-D Action: > draft-ietf-xrblock-rtcp-xr-jb-02.txt**** > > ** ** > > Kevin:**** > > As I clarified to you in the previous email, "implemention specific time > window" described in Burst Gap drafts will be used to identify a "packet > that arrives exactly on time".**** > > That is to say, if the receiving packet falls within implemention > specific time window and can be sucessfully playout, such packet will be > regarded as packet that arrives exactly on time.**** > > Hope this clarifies.**** > > **** > > Regards!**** > > -Qin**** > > ----- Original Message ----- **** > > *From:* Kevin Gross <kevin.gross@avanw.com> **** > > *To:* Qin Wu <bill.wu@huawei.com> **** > > *Cc:* xrblock <xrblock@ietf.org> **** > > *Sent:* Sunday, January 13, 2013 6:04 AM**** > > *Subject:* Re: offlist//Re: [xrblock] Fw: I-D Action: > draft-ietf-xrblock-rtcp-xr-jb-02.txt**** > > ** ** > > Qin, **** > > ** ** > > Of the jitter buffer delay metric, the draft currently says "It is > calculated based on the difference between the receipt time and the playout > time for the packet that arrives exactly on time."**** > > ** ** > > My issue is that I don't know how to identify a "packet that arrives > exactly on time".**** > > > **** > > Kevin Gross**** > > +1-303-447-0517**** > > Media Network Consultant**** > > AVA Networks - www.AVAnw.com, www.X192.org**** > > ** ** > > ------------------------------ > > _______________________________________________ > xrblock mailing list > xrblock@ietf.org > https://www.ietf.org/mailman/listinfo/xrblock**** > > ** ** >
- [xrblock] I-D Action: draft-ietf-xrblock-rtcp-xr-… internet-drafts
- [xrblock] Fw: I-D Action: draft-ietf-xrblock-rtcp… Qin Wu
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Romascanu, Dan (Dan)
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Varun Singh
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Romascanu, Dan (Dan)
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Qin Wu
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Kevin Gross
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Qin Wu
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Kevin Gross
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Qin Wu
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Glen Zorn
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Qin Wu
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Glen Zorn
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Qin Wu
- Re: [xrblock] offlist//Re: Fw: I-D Action: draft-… Kevin Gross
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Qin Wu
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Qin Wu
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Kevin Gross
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Romascanu, Dan (Dan)
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Alan Clark
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Roni Even
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Alan Clark
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Roni Even
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Alan Clark
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Kevin Gross
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Qin Wu
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Kevin Gross
- Re: [xrblock] Fw: I-D Action: draft-ietf-xrblock-… Qin Wu