Multimedia resource caching method and device

A technology for multimedia resources and caching, applied in electrical components, transmission systems, etc., can solve problems such as inaccuracy, and achieve scientific and accurate effects of high-temperature multimedia resources

Inactive Publication Date: 2013-09-25
QINGDAO HISENSE MEDIA NETWORKS CO LTD
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Problems solved by technology

[0004] Since some highly popular multimedia resources are selected for caching during caching, the accuracy of the popularity is very important. The existing calculation method of popularity is only calculated and selected according to a single set cycle, which is not very accurate. If it is not accurate calculation, then the cache cannot effectively take on the role of sharing traffic pressure

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  • Multimedia resource caching method and device
  • Multimedia resource caching method and device
  • Multimedia resource caching method and device

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specific Embodiment

[0049] In this embodiment, the above-mentioned four periods of day, week, month and year are all set for selecting highly popular multimedia resources.

[0050] S201, the four cycles calculate the popularity value of all videos in real time according to their own different cycle lengths;

[0051](1) For the first cycle, when the cycle is daily, it is considered that the video-on-demand behavior basically fluctuates every day, then the hot content will drift with the content. When the user has a video-on-demand behavior for any video, we can Divide intervals in hours. Each time the current time is obtained, according to 24 hours, the highest weighting coefficient is assigned to the hour closest to the current time, followed by the weighting coefficients of the two hours closest to the current time, and so on, and the weighting coefficient of the farthest 24 hours is the lowest. Each on-demand will increase the number of on-demand in the hour interval where the current time is ...

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Abstract

The invention discloses a multimedia resource caching method and device and relates to the technical field of multimedia broadcasting so that accuracy of the heat calculating result and accuracy of the multimedia resource selection are improved. The method includes the steps of working out a heat value of each multimedia resource in a corresponding period according to accessed times of each stored multimedia resource in a plurality of periods with different time spans, regularly marking a preset number of multimedia resources as high heat multimedia resources from the total number of multimedia resources which are calculated in each period according to a sequence of the heat values from high to low, and commanding the caching device to renew stored current multimedia resources according to all the high heat multimedia resources.

Description

technical field [0001] The invention relates to the technical field of multimedia broadcasting, in particular to a method and device for buffering multimedia resources. Background technique [0002] With the continuous development of network technology, P2P (Peer-to-Peer, peer-to-peer) technology is widely used in data downloading, streaming media and other fields. At the same time, the P2P caching system based on P2P technology is becoming more and more mature with the development of the network. [0003] Caching can effectively alleviate the traffic pressure brought by P2P real-time streaming media traffic. Now, the usual caching implementation method is to manage the caching device according to the popularity of multimedia resources. If the popularity is high, allocate longer storage time, network bandwidth and other resources for the multimedia resource. If the popularity drops, the storage time, network bandwidth and other resources allocated for the multimedia resour...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/06
Inventor 马宇坚于芝涛
Owner QINGDAO HISENSE MEDIA NETWORKS CO LTD
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