Re: [MMUSIC] [Technical Errata Reported] RFC3264 (7597)
Paul Kyzivat <pkyzivat@alum.mit.edu> Fri, 11 August 2023 21:13 UTC
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From: Paul Kyzivat <pkyzivat@alum.mit.edu>
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Archived-At: <https://mailarchive.ietf.org/arch/msg/mmusic/DRSBtkgUcGRTNuGUV92Hr57ALsQ>
Subject: Re: [MMUSIC] [Technical Errata Reported] RFC3264 (7597)
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The problem reported here, and the correction, seem valid to me. Thanks, Paul On 8/11/23 10:59 AM, RFC Errata System wrote: > The following errata report has been submitted for RFC3264, > "An Offer/Answer Model with Session Description Protocol (SDP)". > > -------------------------------------- > You may review the report below and at: > https://www.rfc-editor.org/errata/eid7597 > > -------------------------------------- > Type: Technical > Reported by: Hugo Tunius <h@tunius.se> > > Section: 6.1 > > Original Text > ------------- > The interpretation of fmtp parameters in an offer depends on the > parameters. In many cases, those parameters describe specific > configurations of the media format, and should therefore be processed > as the media format value itself would be. This means that the same > fmtp parameters with the same values MUST be present in the answer if > the media format they describe is present in the answer. Other fmtp > parameters are more like parameters, for which it is perfectly > acceptable for each agent to use different values. In that case, the > answer MAY contain fmtp parameters, and those MAY have the same > values as those in the offer, or they MAY be different. SDP > extensions that define new parameters SHOULD specify the proper > interpretation in offer/answer. > > Corrected Text > -------------- > The interpretation of fmtp parameters in an offer depends on the > parameters. In many cases, those parameters describe specific > configurations of the media format, and should therefore be processed > as the media format value itself would be. This means that the same > fmtp parameters with the same values MUST be present in the answer if > the media format they describe is present in the offer. Other fmtp > parameters are more like parameters, for which it is perfectly > acceptable for each agent to use different values. In that case, the > answer MAY contain fmtp parameters, and those MAY have the same > values as those in the offer, or they MAY be different. SDP > extensions that define new parameters SHOULD specify the proper > interpretation in offer/answer. > > Notes > ----- > This indicated that the same fmtp parameters with the same values MUST be present in the answer if the media format they describe is present in the **answer**. > > I believe the second instance of **answer** should be replace with **offer**, otherwise the quoted text does not makes sense I think. > > Instructions: > ------------- > This erratum is currently posted as "Reported". If necessary, please > use "Reply All" to discuss whether it should be verified or > rejected. When a decision is reached, the verifying party > can log in to change the status and edit the report, if necessary. > > -------------------------------------- > RFC3264 (draft-ietf-mmusic-sdp-offer-answer-02) > -------------------------------------- > Title : An Offer/Answer Model with Session Description Protocol (SDP) > Publication Date : June 2002 > Author(s) : J. Rosenberg, H. Schulzrinne > Category : PROPOSED STANDARD > Source : Multiparty Multimedia Session Control RAI > Area : Real-time Applications and Infrastructure > Stream : IETF > Verifying Party : IESG > > _______________________________________________ > mmusic mailing list > mmusic@ietf.org > https://www.ietf.org/mailman/listinfo/mmusic
- [MMUSIC] [Technical Errata Reported] RFC3264 (759… RFC Errata System
- Re: [MMUSIC] [Technical Errata Reported] RFC3264 … Paul Kyzivat
- Re: [MMUSIC] [Technical Errata Reported] RFC3264 … Roman Shpount
- Re: [MMUSIC] [Technical Errata Reported] RFC3264 … Christer Holmberg
- Re: [MMUSIC] [Technical Errata Reported] RFC3264 … Roman Shpount
- Re: [MMUSIC] [Technical Errata Reported] RFC3264 … Paul Kyzivat
- Re: [MMUSIC] [Technical Errata Reported] RFC3264 … Paul Kyzivat