Multicast routing

Multicast routing is one of the routing protocols in IP networking.

This article is about one-to-many communications. For radio systems, see Point-to-multipoint communication. For broadcasting multiple programs using a single channel, see Multicast channel.
Routing schemes
Unicast

Broadcast

Multicast

Anycast

There are several multicast routing protocols supporting communications where data transmission is addressed to a group of destination computers simultaneously: Multicast Source Discovery Protocol, Multicast BGP, Protocol Independent Multicast.

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