PIM Flooding Mechanism (PFM) and Source Discovery (SD)
RFC 8364

Received changes through RFC Editor sync (created alias RFC 8364, changed title to 'PIM Flooding Mechanism (PFM) and Source Discovery (SD)', changed abstract to 'Protocol Independent Multicast - Sparse Mode (PIM-SM) uses a Rendezvous Point (RP) and shared trees to forward multicast packets from new sources.  Once Last-Hop Routers (LHRs) receive packets from a new source, they may join the Shortest Path Tree (SPT) for the source for optimal forwarding.  This document defines a new mechanism that provides a way to support PIM-SM without the need for PIM registers, RPs, or shared trees.  Multicast source information is flooded throughout the multicast domain using a new generic PIM Flooding Mechanism (PFM).  This allows LHRs to learn about new sources without receiving initial data packets.', changed standardization level to Experimental, changed state to RFC, added RFC published event at 2018-03-28, changed IESG state to RFC Published)