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- W2904802906 abstract "Faced with emerging demands such as massive online video and multiple terminals access, Video Distribution Networks (VDNs) effectively alleviate the conflict between online video increasing and response time of users accessing video content. Most existing works are focused on the popularity of video content to determine which video should be pushed to users. However, in these works, personalized demands of users such as bandwidth, delay and other factors influenced on distribution cost are not comprehensively taken into account. To overcome this problem, we propose a Cost-Effective Coupled Video Distribution model which couples active distribution method and negative distribution method to improve the rate of video hitting and reduce the delay of user access. In this model, we formulate the coupled video distribution process as a cost minimizing problem by considering the bandwidth consumption together with the delay performance and construct a multicast distribution tree for the video delivery. Since solving this problem is NP-hard, we develop a Heuristic Multicast Distribution Tree (HMDT), to provide more efficient approximate cost. The extensive simulations show that our proposed HMDT can yield strategies with smaller expected cost than previous algorithms on bandwidth and delay." @default.
- W2904802906 created "2018-12-22" @default.
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- W2904802906 date "2018-12-11" @default.
- W2904802906 modified "2023-09-23" @default.
- W2904802906 title "Cost-Effective Coupled Video Distribution Network" @default.
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- W2904802906 doi "https://doi.org/10.1007/978-981-13-3044-5_9" @default.
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