Abstract: The present invention provides a method and apparatus for controlling the transmission of uplink multicast service data in communication network. According to the invention, a user equipment sends request to a multicast controlling device for the permission of providing uplink multicast data stream; once the uplink multicast controlling device has verified and accepted the request, it will assign multicast address, bandwidth, valid time for it and update the uplink multicast forwarding table at the access device to establish an uplink multicast dedicated VLAN. After that, the access device will forward multicast data from the UE according to the uplink multicast forwarding table configured by the uplink multicast controlling device, to be specific, allowed multicast packets to be forwarded into the uplink multicast dedicated VLAN, and get to the multicast router via the uplink multicast dedicated VLAN.

Abstract: The present invention provides a method and apparatus for controlling the transmission of uplink multicast service data in communication network. According to the invention, a user equipment sends request to a multicast controlling device for the permission of providing uplink multicast data stream; once the uplink multicast controlling device has verified and accepted the request, it will assign multicast address, bandwidth, valid time for it and update the uplink multicast forwarding table at the access device to establish an uplink multicast dedicated VLAN. After that, the access device will forward multicast data from the UE according to the uplink multicast forwarding table configured by the uplink multicast controlling device, to be specific, allowed multicast packets to be forwarded into the uplink multicast dedicated VLAN, and get to the multicast router via the uplink multicast dedicated VLAN.

Abstract: The present invention discloses a method and apparatus for multicast management of user interface in a network access device, which comprises setting a user multicast information table for the user interface in the network access device, IGMP protocol processing unit obtaining the user identification information from a user IGMP message, retrieving and updating the user multicast information table based on types of multicast messages; checking the user multicast information table of the user interface when multicast resources of the user interface are not sufficient, immediately terminating the multicast GSQ process and directly performing quick-leaving when the user multicast information table of a multicast group is empty, in conjunction with use of items of multicast state. The present invention can greatly enhance speed and performance of switching for multicast channels of the network access device.

Abstract: The present invention discloses a method and apparatus for multicast management of user interface in a network access device, which comprises setting a user multicast information table for the user interface in the network access device, IGMP protocol processing unit obtaining the user identification information from a user IGMP message, retrieving and updating the user multicast information table based on types of multicast messages; checking the user multicast information table of the user interface when multicast resources of the user interface are not sufficient, immediately terminating the multicast GSQ process and directly performing quick-leaving when the user multicast information table of a multicast group is empty, in conjunction with use of items of multicast state. The present invention can greatly enhance speed and performance of switching for multicast channels of the network access device.