Multicast data transmission method and equipment

A technology of multicast data and transmission method, applied in the field of communication
CN101986601BActive Publication Date: 2013-03-20NEW H3C TECH CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
NEW H3C TECH CO LTD
Publication Date
2013-03-20

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Abstract

The invention discloses a multicast data transmission method and multicast data transmission equipment. The method comprises that: network equipment determines the DF interfaces of the network equipment, and sets corresponding (*.G.V) table entries of the DF interfaces; and when receiving multicast data, and the network equipment forwards the multicast data through an outlet interface if a matched (*.G.V) table entry is found according to the inlet interface of the multicast data or discard the multicast data. In the invention, bidirectional protocol independent multicast (PIM) forwarding can be realized, and the problem of loop of a multicast data stream is solved.
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Description

technical field

[0001] The present invention relates to the technical field of communication, in particular to a method and equipment for transmitting multicast data. Background technique

[0002] With the development of network services, multicast services are more and more widely used on the network. As a communication method parallel to unicast and broadcast, multicast technology can effectively solve the problem of single-point transmission and multi-point reception, thereby realizing It ensures efficient data transmission from point to multipoint in the network, saves a lot of network bandwidth and reduces network load. In traditional multicast applications, there are fewer multicast sources and more multicast receivers. In this networking application, the PIM DM (PIM Dense Mode, protocol-independent Multicast intensive mode), PIM SM (PIM SparseMode, protocol-independent multicast sparse mode) and PIM SSM (PIM Source-Specific Multicast, protocol-independent multicast s...

Claims

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