Multicast Source Discovery Protocol: Difference between revisions

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MSDP and MLD summary
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MSDP uses TCP as its transport protocol. Each multicast tree has to have its own RP. All of the RPs are peers (directly or through other MSDP peers). Messages contain Source of Data, Group Address The Data Source Sends To (S,G). If an RP on its own ___domain receives a message it determines if there are group members on this ___domain interested in a multicast. If someone is interested it triggers a join towards the data source (into the source ___domain) in the way of (S, G). In a peering relationship, one MSDP peer listens for new TCP connections on the well-known port 639.
: * MSDP (Multicast Source Discovery Protocol) is the protocol for IPv4 Multicast
: * MLD (Multicast Listener Discovery) is the protocol for IPv6 Multicast