Name: draft-ietf-avt-rtcp-feedback-11
Title: Extended RTP Profile for RTCP-based Feedback(RTP/AVPF)
State: Pending
Authors: Joerg Ott, Stephan Wenger
Group: Audio/Video Transport (avt)
Date: 2004-08-11
Real-time media streams that use RTP are, to some degree, resilient against
packet losses. Receivers may use the base mechanisms of RTCP to report
packet reception statistics and thus allow a sender to adapt its
transmission behavior in the mid-term as sole means for feedback and
feedback-based error repair (besides a few codec- specific mechanisms).
This document defines an extension to the Audio-visual Profile (AVP) that
enables receivers to provide, statistically, more immediate feedback to the
senders and thus allow for short-term adaptation and efficient
feedback-based repair mechanisms to be implemented. This early feedback
profile (AVPF) maintains the AVP bandwidth constraints for RTCP and
preserves scalability to large groups.
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