Data sending method, device and system, electronic equipment and storage medium
A data transmission method and technology of a data transmission device, which are applied in the directions of electrical components, selective content distribution, image communication, etc., can solve the problems of waste of resources and increased cost of data transmission of central nodes, and achieve the effect of reducing transmission costs.
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[0044] The present invention will be described in further detail below with reference to the accompanying drawings and examples.
[0045] The embodiment of the present invention provides a data transmission method, applied to a central node in the CDN, and the center node is connected to at least one edge node, and the edge node is connected to at least one user node, such as figure 1 As shown, the method includes:
[0046] Step 101: When receiving the data transmission request of the cache data to which the edge node is transmitted, the history of obtaining at least one audio video played by the user node history is acquired;
[0047] Step 102: Duration of this playback of the user node this play cache data according to the history of at least one audio video;
[0048] Step 103: Based on this playback time, the cache data of the user node this playback is sent multiple times to the edge node multiple times.
[0049]At the actual application, the central node records and stores da...
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