Re: [xrblock] [Gen-art] Review: draft-ietf-xrblock-rtcp-xr-qoe-12
"Joel M. Halpern" <jmh@joelhalpern.com> Tue, 12 November 2013 19:20 UTC
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Date: Tue, 12 Nov 2013 14:20:23 -0500
From: "Joel M. Halpern" <jmh@joelhalpern.com>
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To: Alan Clark <alan.d.clark@telchemy.com>, gen-art@ietf.org, draft-ietf-xrblock-rtcp-xr-qoe.all@tools.ietf.org, xrblock@ietf.org
References: <527D2037.1010304@nostrum.com> <52821B12.2030700@joelhalpern.com> <52825FDD.9070404@telchemy.com>
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Subject: Re: [xrblock] [Gen-art] Review: draft-ietf-xrblock-rtcp-xr-qoe-12
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Thank you for your very fast and effective response Alan. Those work for me. Yours, Joel On 11/12/13 12:05 PM, Alan Clark wrote: > Hi Joel > > Thanks for your comments. > > (i) Section 1.4 > > Proposed change > > The MOS Metrics Report Block can be used in any application of RTP > for which QoE measurement algorithms are defined. > > to > > The MOS Metrics Report Block can be used in any application of RTP > for which QoE (Quality of Experience) measurement algorithms are defined. > > (ii) Section 3.2.2 > > Proposed change > "The 8-bit ID is the local identifier of this segment in the range 1-255 > inclusive" > to > "The 8-bit CAID is the session specific reference to the calculation > algorithm and associated qualifiers indicated in SDP (see Section 4.1) > and used to compute QoE scores for this segment" > > (iii) Section 3.2.1 > > Proposed change > "The 8-bit CAID is the local identifier of calculation algorithm > associated with this segment in the range 1-255 inclusive. " > to > "The 8-bit CAID is the session specific reference to the calculation > algorithm and associated qualifiers indicated in SDP (see Section 4.1) > and used to compute QoE scores for this segment" > > (iv) Section 4.1 > > Proposed change > > mapentry = "calg:" 1*5 DIGIT ["/" direction] > ;Values other than 4095~4351 are valid > to > mapentry = "calg:" 1*3 DIGIT ["/" direction] > ;Values other than 1..255 are valid > > and remove > > mostype = "mostype=" ("e"; Estimated MOS [P.800.1] > /"s";subjective MOS [P.800.1] > /"o";objective MOS [P.800.1] > /non-ws-string) > > We will see if there are additional comments and then update the draft > > Regards > > Alan Clark > > > On 11/12/13, 7:12 AM, Joel Halpern wrote: >> I am the assigned Gen-ART reviewer for this draft. For background on >> Gen-ART, please see the FAQ at >> >> <http://wiki.tools.ietf.org/area/gen/trac/wiki/GenArtfaq>. >> >> Please resolve these comments along with any other Last Call comments >> you may receive. >> >> Document: draft-ietf-xrblock-rtcp-xr-qoe-12 >> RTP Control Protocol (RTCP) Extended Report (XR) Blocks for >> MOS Metric Reporting >> Reviewer: Joel M. Halpern >> Review Date: 12-November-2013 >> IETF LC End Date: 27-November-2013 >> IESG Telechat date: N/A >> >> Summary: This document is nearly ready for publication as a Proposed >> Standard RFC >> >> Major issues: >> >> Moderate issues: >> In section 3.2.2 on Multi-Channel audio per SSRC Segment, the >> format description for the Calculation Algorithm ID (CAID) reads: >> "The 8-bit ID is the local identifier of this segment in the range >> 1-255 inclusive." I am pretty sure this is supposed to be an >> algorithm ID, not a segment index? >> >> The text in section 4.1 indicates that the number after "calg:" in >> the mapentry of the calgextmap is used as the ID in the CAID of the >> xrblock. The packet format only allows 8 bits of value. So why does >> the SDP format allow up to 5 digits? Also, is there some reason that >> the special values 4095-4351 (in section 4.1) or 4096-4351 (in section >> 4.2) are used rather than say equally invalid 512 through some >> appropriate upper bound still in 3 digits? >> >> Minor issues: >> Please ensure that all acronyms are expanded on first use. For >> example, QoE is not expanded. >> >> The notes in B.3 indicate that mostype was to be removed from the >> SDP grammar. But it is still defined. And section 4.2 still mentions >> it, even though it does not get referenced by the message format. >> Please finish removing it. (also "most type") >> >> Nits/editorial comments: >> _______________________________________________ >> xrblock mailing list >> xrblock@ietf.org >> https://www.ietf.org/mailman/listinfo/xrblock >> >
- [xrblock] [Gen-art] Review: draft-ietf-xrblock-rt… Joel Halpern
- Re: [xrblock] [Gen-art] Review: draft-ietf-xrbloc… Gonzalo Camarillo
- Re: [xrblock] [Gen-art] Review: draft-ietf-xrbloc… Alan Clark
- Re: [xrblock] [Gen-art] Review: draft-ietf-xrbloc… Joel M. Halpern
- Re: [xrblock] [Gen-art] Review: draft-ietf-xrbloc… Qin Wu
- Re: [xrblock] [Gen-art] Review: draft-ietf-xrbloc… Alan Clark
- Re: [xrblock] [Gen-art] Review: draft-ietf-xrbloc… Qin Wu