a group of hosts that can be treated collectively as identical

The set of hosts listening for IP multicast traffic sent to a specific multicast group address.

A group of zero or more hosts that, for the purposes of IP multicasting, are identified by a single class D IP destination address. Class D IP addresses have 1110 as their high-order four bits. See IP Multicasting for more information.

All hosts belonging to a multicast session. The membership of a host group is dynamic; that is, hosts may join and leave groups at any time. There is no restriction on the location or number of members in a host group. A host may be a member of more than one group at a time.

A group consisting only of host targets where you can view the general overview of the state of the hosts that make up the group.

A container that can hold managed hosts and other host groups.