RFC 9627: The Layer Refresh Request (LRR) RTCP Feedback Message
Recent RFCs 2025-03-28
Summary:
This memo describes the RTCP Payload-Specific Feedback Message Layer
Refresh Request (LRR), which can be used to request a state refresh
of one or more substreams of a layered media stream. This document
also defines its use with several RTP payloads for scalable media
formats.