Document Action: 'Video Frame Marking RTP Header Extension' to Experimental RFC (draft-ietf-avtext-framemarking-16.txt)
The IESG <iesg-secretary@ietf.org> Mon, 11 March 2024 16:33 UTC
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From: The IESG <iesg-secretary@ietf.org>
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Subject: Document Action: 'Video Frame Marking RTP Header Extension' to Experimental RFC (draft-ietf-avtext-framemarking-16.txt)
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Cc: Jonathan Lennox <jonathan.lennox@8x8.com>, The IESG <iesg@ietf.org>, avt@ietf.org, avtcore-chairs@ietf.org, draft-ietf-avtext-framemarking@ietf.org, jonathan.lennox@8x8.com, rfc-editor@rfc-editor.org, superuser@gmail.com
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Date: Mon, 11 Mar 2024 09:33:43 -0700
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The IESG has approved the following document: - 'Video Frame Marking RTP Header Extension' (draft-ietf-avtext-framemarking-16.txt) as Experimental RFC This document is the product of the Audio/Video Transport Core Maintenance Working Group. The IESG contact person is Murray Kucherawy. A URL of this Internet-Draft is: https://datatracker.ietf.org/doc/draft-ietf-avtext-framemarking/ Technical Summary This document describes a Frame Marking RTP header extension used to convey information about video frames that is critical for error recovery and packet forwarding in RTP middleboxes or network nodes. It is most useful when media is encrypted, and essential when the middlebox or node has no access to the media decryption keys. It is also useful for codec-agnostic processing of encrypted or unencrypted media, while it also supports extensions for codec-specific information. Working Group Summary This document has been under development for quite some time, the first version having been published in 2015; this is why its draft name refers to the AVTExt working group, which was merged back into AVTCore in 2017. There have been multiple WGLCs carried out in the AVTCore working group, which gave thorough review to the document. Document Quality The specification was implemented for some time in libwebrtc and deployed in Google Chrome's WebRTC stack; however, Chrome later removed support for it, as its applicability seemed to be limited. The document has been reviewed by WG members, and appears to be complete insofar as it goes; however, there are concerns that it is not sufficient for the uses cases for which it was intended. Notably, the significantly more complex AV1 Dependency Descriptor [https://aomediacodec.github.io/av1-rtp-spec/#appendix] addresses a similar use-case much more thoroughly. Personnel The document shepherd is Jonathan Lennox; the responsible area director is Murray Kucherawy.