Double windows based client fragment scheduling method and system
A scheduling method and client-side technology, applied in the field of computer network, multimedia communication and P2P SVC streaming media system, can solve the problems of high packet loss rate, "last piece", and large fluctuation of network bandwidth.
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[0097] The content of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0098] When the equal-time-length sharding method and the variable-time-length sharding method are used, the corresponding sharding scheduling methods are slightly different, and the sharding scheduling methods in these two cases are introduced respectively below.
[0099] 1. Fragmentation scheduling method based on equal-time-length fragmentation method:
[0100] General introduction:
[0101] 1) if figure 2 As shown, the client sliding window is divided into two sub-windows: General Window and Emergent Window, and different scheduling rules are used in the two sub-windows;
[0102] 2) During the video download process, the two sub-windows slide from the beginning to the end of the video, and their sliding is synchronized;
[0103] 3) A segment is requested for the first time when it enters the General Window. If a segment fails to be downloaded i...
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