CDN video buffer system and method
A caching and video technology, applied in the network field, can solve problems such as affecting user experience, large video delay, edge node cache capacity and cache bandwidth waste, etc., to improve user experience, reduce latency, and optimize cache capacity management.
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[0047] In order to describe the technical content of the present invention more clearly, further description will be given below in conjunction with specific embodiments.
[0048] First, the present invention provides a method and system for video caching in a CDN network. In this system, the video caching method includes:
[0049] 1) Real-time record the number of times each movie source has been accessed by the client from the cache server in a recent period of time. Only when the number of visits reaches a certain threshold, the movie source is cached from the central node to the edge node server. In this way, the waste of cache capacity and cache bandwidth of edge nodes can be avoided;
[0050] 2) Mark the priority of the film sources stored in the CDN distribution network. The priority is divided into ten levels: 10, 9, 8...1, and the priority of popular film sources is marked as high priority. At the same time, each The priority of the first slice file of a source is al...
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