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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 ...
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
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 .
Source Demand Routing Protocol: RFC 1940: 0x2B 43 IPv6-Route Routing Header for IPv6: RFC 8200: 0x2C 44 IPv6-Frag Fragment Header for IPv6: RFC 8200: 0x2D 45 IDRP Inter-Domain Routing Protocol: 0x2E 46 RSVP Resource Reservation Protocol: RFC 2205: 0x2F 47 GRE Generic Routing Encapsulation: RFC 2784, RFC 2890: 0x30 48 DSR Dynamic Source Routing ...
The Internet Group Management Protocol (IGMP) is a communications protocol used by hosts and adjacent routers on IPv4 networks to establish multicast group memberships. IGMP is an integral part of IP multicast and allows the network to direct multicast transmissions only to hosts that have requested them.
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:
Protocol-Independent Multicast (PIM) is a family of multicast routing protocols for Internet Protocol (IP) networks that provide one-to-many and many-to-many distribution of data over a LAN, WAN or the Internet. It is termed protocol-independent because PIM does not include its own topology discovery mechanism, but instead uses routing ...
The router generates a routing table with the multicast group of which it has knowledge with corresponding distances (i.e. number of devices/routers between the router and the destination). When a multicast packet is received by a router, it is forwarded by the router's interfaces specified in the routing table.