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To implement the multicast routing, Internet Group Management Protocol (IGMP) and a multicast routing protocol (Reverse-path forwarding, PIM-SM) for registration subscriber grouping and control traffic are required for multicast transmission. [2] [3] [4] Regarding IP multicast, it is a technique for one-to-many communication over an IP network ...
In IP multicast the implementation of the multicast concept occurs at the IP routing level, where routers create optimal distribution paths for datagrams sent to a multicast destination address. Multicast is often employed in Internet Protocol (IP) applications of streaming media , such as IPTV and multipoint videoconferencing .
On the local network, multicast delivery is controlled by IGMP (on IPv4 network) and MLD (on IPv6 network); inside a routing domain, PIM or MOSPF are used; between routing domains, one uses inter-domain multicast routing protocols, such as MBGP. The following are some common delivery and routing protocols used for multicast distribution:
One of the data link layer over network layer (or Layer-2 over UDP) protocols adopted by the industry is VXLAN. Now, as with any other overlay network protocol, its scalability is tied into how well it can handle the Broadcast, Unknown unicast and Multicast (BUM). [14] In Data Plane Learning the broadcast traffic is flooded to multicast group ...
As an enhancement of BGP-4, MP-BGP provides routing information for various protocols, such as IPv6 (BGP4+) and multicast: MP-BGP maintains unicast and multicast routing information, and stores both types in different routing tables to ensure their separation. MP-BGP supports unicast and multicast, and constructs different network topologies ...
Unicast is in contrast to multicast and broadcast which are one-to-many transmissions. [2] Internet Protocol unicast delivery methods such as Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) are typically used.
The Enhanced Interior Gateway Routing Protocol (EIGRP) group address is used to send routing information to all EIGRP routers on a network segment. No 224.0.0.13 Protocol Independent Multicast (PIM) Version 2 No 224.0.0.18 Virtual Router Redundancy Protocol (VRRP) No 224.0.0.19–21 IS-IS over IP No 224.0.0.22
The IP multicast standard was designed to scale to multicast groups with many members. It works well when doing a distribution similar to broadcasting, but it has scalability problems to a large number of groups. Multicast routing protocols keep routing tables that record multicast group addresses with members. These tables might become large ...