Method for forwarding multicast message in network communication
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United States of America Patent
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Sep 15, 2009
Grant Date -
Apr 15, 2004
app pub date -
Jul 28, 2003
filing date -
Aug 6, 2002
priority date (Note) -
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Abstract
The invention relates to a method of forwarding multicast message in network communication. In the method: first, establish forwarding match condition at the ingress interface of the network device required to forward multicast message, the forwarding match condition specifies forwarding rule for the multicast message; then, compare the multicast message to be forwarded to network device through the interface with the forwarding match condition, and forward the multicast message according to the comparing result. The invention can configure the sending mode of messages according to requirement and can effectively avoid risks in security that may be caused by the broadcast mode for the multicast messages in the link layer as well as efficiency loss caused by receiving a great deal of invalid multicast messages, and the configuration is simple, and more convenient use and management is realized. In the present invention, forwarding multicast message according to an established multicast message forwarding rule greatly reduces the number of various multicast protocol messages generated in the multicast network and saves bandwidth resource of network.
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