Draft-ietf-mboned-msdp-deploy-nn.txt, Multicast Source Discovery Protocol (MSDP) Deployment Scenarios, describes how protocols work together to provide intra- and inter-domain ASM service.
Inter-domain peering:
peering between PIM border routers (single-hop peering)
peering between non-border routers (multi-hop peering)
MSDP peering without BGP
MSDP peering between mesh groups
MSDP peering at a multicast exchange
Intra-domain peering:
peering between routers configured for both MSDP and MBGP
MSDP peer is not BGP peer (meaning, no BGP peer)