Method and apparatus for classifying querying nodes

Method and apparatus for classifying querying nodes. A querying node is classified as a multicast router if it transmits a multicast routing protocol query message and the node is either unclassified or classified as a multicast querier. The node is classified as a multicast querier if it transmits...

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Hauptverfasser: SANGRONIZ ROBERT LEON, GARFF JEREMY, FINE MARK
Format: Patent
Sprache:eng
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Zusammenfassung:Method and apparatus for classifying querying nodes. A querying node is classified as a multicast router if it transmits a multicast routing protocol query message and the node is either unclassified or classified as a multicast querier. The node is classified as a multicast querier if it transmits a multicast group query message and the node is unclassified. IGMP multicast group membership reports are transmitted to both multicast queriers and multicast routers. IP multicast routing protocol data packets, however, are transmitted to only multicast routers.