Method, system and device for multicasting digital subscriber lines
A digital subscriber line and multicast technology, applied in the field of communication, can solve problems such as waste of access network bandwidth, and achieve the effect of utilizing network bandwidth
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 see figure 1 , the embodiment of the present invention provides a digital subscriber line multicast method, including:
 101: identifying a bundled digital subscriber line;
 102: Establish a multicast distribution relationship between the bundled DSL and the multicast data;
 103: Distribute the multicast data according to the multicast distribution relationship.
 The method is described in further detail below:
 see figure 2 , in this embodiment, the IGMP message sent by the host arrives at the network-side binding device from different uplink physical ports of the RG (Remote Gateway, remote gateway) or CPE (Customer Premise Equipment, customer premise equipment), that is, the network-side binding The device where the module MUX (multiplexer, multiplexer) / DeMUX (demultiplexer, demultiplexer) is located. The network-side binding module may be located on an IP edge device or an aggregation node (Aggressive Node). The DSLs conn...
 see Figure 7 , the embodiment of the present invention provides a digital subscriber line multicast system, specifically comprising:
 The network-side bundling device 701 is configured to identify the bundled DSL, and establish a multicast distribution relationship between the bundled DSL and the multicast data;
 The access node 702 is configured to distribute multicast data according to a multicast distribution relationship;
 The system also includes:
 The IP edge device 703 is configured to receive multicast data.
 see Figure 8 , the embodiment of the present invention provides a digital subscriber line multicast device, including:
 An identification module 801, configured to identify a bundled digital subscriber line;
 An establishment module 802, configured to establish a multicast distribution relationship between the bundled digital subscriber line and the multicast data;
 A distribution modul...
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