Codec Control Messages in the RTP Audio-Visual Profile with Feedback (AVPF)
Draft of message to be sent after approval:
From: The IESG <firstname.lastname@example.org> To: IETF-Announce <email@example.com> Cc: Internet Architecture Board <firstname.lastname@example.org>, RFC Editor <email@example.com>, avt mailing list <firstname.lastname@example.org>, avt chair <email@example.com> Subject: Protocol Action: 'Codec Control Messages in the RTP Audio-Visual Profile with Feedback (AVPF)' to Proposed Standard The IESG has approved the following document: - 'Codec Control Messages in the RTP Audio-Visual Profile with Feedback (AVPF) ' <draft-ietf-avt-avpf-ccm-11.txt> as a Proposed Standard This document is the product of the Audio/Video Transport Working Group. The IESG contact persons are Cullen Jennings and Jon Peterson. A URL of this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-ietf-avt-avpf-ccm-11.txt
Technical Summary This document specifies a few extensions to the messages defined in the Audio-Visual Profile with Feedback (AVPF). They are helpful primarily in conversational multimedia scenarios where centralized multipoint functionalities are in use. However, some are also usable in smaller multicast environments and point-to-point calls. The extensions discussed are messages related to the ITU-T H.271 Video Back Channel, Full Intra Request, Temporary Maximum Media Stream Bit Rate and Temporal Spatial Trade-off. Working Group Summary The document has been reviewed by the AVT working group to ensure consistency the AVPF profile and there was consensus on using RTCP feedback for scenarios described in the draft. Document Quality There are no current implementations but many vendors expressed their desire to implement these mechanisms. Personnel Roni Even is the document shepherd.