IP multicasting is used to provide efficient multicast services to clients that may not be located on the same network segment. For instance, Windows Sockets applications can join a multicast group to participate in a wide-area conference.
Windows CE is level-2 (send and receive) compliant with RFC 1112.
IGMP is the protocol used to manage IP multicasting.
See Also
Classless Interdomain Routing (CIDR) for IPv4 | IP Multicasting for IPv6 | Internet Group Management Protocol (IGMP)
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