| 摘要 |
PURPOSE: An apparatus for IGMP proxy is provided to distribute the load of upstream interfaces or multicast routers connected to the upstream interfaces, thereby providing stable multicast services. CONSTITUTION: An IGMP(Internet Group Management Protocol) proxy device(310) comprises N upstream interfaces(u1,u2,u3), one or more downstream interfaces(d1,d2) and a controller. In order to equalize the load of the upstream interfaces, the controller switches connection relation among the upstream interfaces and the down stream interface. The IGMP proxy device stores merge information about each of the upstream interfaces in a membership database(350).
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