| http://www.w3.org/ns/prov#value | - IGMP provides a means to automatically control and limit the flow of multicast traffic throughout your network with the use of special multicast queriers and hosts. ???A querier is a network device, such as a router, that sends query messages to discover which network devices are members of a given multicast group. ???A host is a receiver, including routers, that sends report messages (in response
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