Internet Group Management Protocol

The Internet Accumulation Administration Agreement (IGMP) is a communications agreement acclimated by hosts and adjoining routers on IP networks to authorize multicast accumulation memberships.

IGMP is an basic allotment of the IP multicast specification. IGMP can be acclimated for online alive video and gaming, and allows added able use of assets if acknowledging these types of applications.

IGMP is acclimated on IPv4 networks. Multicast administration on IPv6 networks is handled by Multicast Listener Discovery (MLD) which uses ICMPv6 messaging in adverse to IGMP's bald IP encapsulation.