A multicast forwarding method and a multicast router
A forwarding method and router technology, applied in the information field, can solve problems such as multicast services cannot be automatically restored, and achieve the effect of reducing network bandwidth consumption
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[0047] The application will be described in further detail below in conjunction with the accompanying drawings.
[0048] The multicast forwarding method in this application can be applied to various communication systems, figure 1 A schematic diagram of one of the communication systems to which this application applies. The communication system includes a data source server, a rendezvous point (rendezvous point, RP), a multicast router (Multicast Router, MCR) 1 , MCR2 , R1 to R8 , and terminals 1 to 5 .
[0049] Wherein, RP, MCR1, and MCR2 are multicast routers supporting multicast introduced in the embodiment of the present application. R1 to R8 belong to ordinary routers and do not support the multicast function. Terminals 1 to 5 can be computer equipment or various mobile terminal equipment. It should be noted that the RP is a special multicast router. In addition to the multicast function, it is also responsible for allocating group identifiers of multicast groups and in...
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