- Written by Ram Prasad
- Posted on September 23, 2026
- Updated on September 23, 2026
- 27 Views
Protocol Independent Multicast (PIM) distributes multicast data using routes gathered by other protocols. PIM Sparse Mode (PIM-SM), defined in RFC 4601, is a multicast routing protocol intended for networks where multicast group recipients are sparsely distributed, including wide-area and inter-domain networks.