Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Zhidan Cheng0
Allen Tsz-Chiu Wong0
Date of Patent
April 21, 2009
0Patent Application Number
109968450
Date Filed
November 23, 2004
0Patent Primary Examiner
Patent abstract
An Internet Group Multicast Protocol (IGMP) proxy provides network redundancy to prevent a severed or damaged line, or a malfunctioning router interface from denying services to the IGMP proxy by outputting the multicast group addresses that are received by the IGMP proxy to a first multicast interface that is electrically connected to a first router interface of a router, and to a second multicast interface that is electrically connected to a second router interface of the router.
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