For questions about Protocol Independent Multicast (PIM), where PIM is IP routing protocol-independent and can leverage whichever unicast routing protocols are used to populate the unicast routing table, including Enhanced Interior Gateway Routing Protocol (EIGRP), Open Shortest Path First (OSPF), Border Gateway Protocol (BGP), and static routes.

For questions about Protocol Independent Multicast (PIM), where PIM is IP routing protocol-independent and can leverage whichever unicast routing protocols are used to populate the unicast routing table, including Enhanced Interior Gateway Routing Protocol (EIGRP), Open Shortest Path First (OSPF), Border Gateway Protocol (BGP), and static routes.

PIM is a multicast routing protocol that leverages the existing unicast routing protocol.

https://tools.ietf.org/html/rfc4601