Method for providing IP multicast service using virtual LAN
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United States of America Patent
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Jun 24, 2008
Grant Date -
Apr 22, 2004
app pub date -
Mar 7, 2003
filing date -
Oct 16, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A method for providing IP multicast service using a VLAN in a network including an IP multicast/VLAN manager for supporting an IGMP and a GVRP, and multicast group members, includes: after generating an IP multicast group, allowing a sender to request the IP multicast/VLAN manager to search for at least one host joining the IP multicast group; allowing the IP multicast/VLAN manager to check whether the host supports the VLAN; and allowing the sender to transfer a packet through the VLAN if the host joining the IP multicast group supports the VLAN and allowing the sender to broadcast a packet though IP multicast if not.
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