Method and system for carrying out data transmission by means of multicast
A data transmission method and broadcasting system technology, applied in the direction of digital transmission system, transmission system, data exchange details, etc., can solve problems such as network load increase, reduce load, reduce construction cost and subsequent maintenance cost, and reduce transmission data packets volume effect
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[0030] figure 2 It shows the flow chart of the multi-target broadcasting system data transmission method according to the present invention. The multi-target broadcast system includes a server for sending data sequences, a switch supporting multi-target broadcast groups, and multiple client machines. When the user machine intends to download the data sequence from the server, it joins the multi-objective broadcast group that it wants to receive data, so as to receive the data sequence forwarded by the switch.
[0031] According to the data transmission method of the present invention, first, the server generates a multi-target broadcast group required for multi-target broadcast data transmission (step 202). Next, the server sequentially and repeatedly sends a plurality of data packets constituting the data sequence (step 204 ). That is, the server repeatedly sends the data packets of the data sequence in a cyclic manner.
[0032] Subsequently, when a user machine at a time...
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