RTCP Extension for Single Source Multicast Sessions with Unicast RTCP feedback

摘要

This document specifies a modification to the Real-time TransportControl Protocol to enable the operation of RTP/RTCP using unicastRTCP feedback for Single Source multicast sessions such as SourceSpecific Multicast (SSM) Communication where the traditional modelof Any Source Multicast (ASM) group communication of many tomany is either not possible or not preferred. This draft can beapplied to any group communication which might benefit from a sendercontrolled summarised reporting mechanism. It extends [1], section 6which defines the RTP session group control channel.