基于重复副本拍卖的移动视频边缘协作缓存
首发时间:2020-11-27
摘要:本文研究移动边缘缓存在移动视频业务中的应用。移动边缘缓存是应对移动视频业务带来的巨大网络流量的一种有效方法,特别是随着用户终端性能的提升,终端与基站侧边缘缓存服务器进行协作的缓存策略具有极大的潜力。本文结合了用户请求移动视频业务的行为模式,对边缘网络的缓存命中率进行优化,设计了基于重复副本拍卖的缓存放置算法。经过仿真验证,所提算法相较于两种基准算法,实现了更高的缓存命中率与更小的平均服务时延,更好的利用了移动边缘网络的存储空间。
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Replica Repeated Auction Based Collaborative Edge Cache of Mobile Video
Abstract:In this paperthe application of mobile edge cache in mobile video service is studied. Mobile edge cache is an effective method to deal with the huge network traffic brought by mobile video service. Especially with the improvement of user equipment performance, thestrategy of user-base station collaborative cachingshows great potential.This paper consider the behavior pattern of user\'s request of mobile video service. To optimize the cache hit ratio of edge network a cache placement algorithm based on replica repeatedauction is designed. Simulation results show that the proposed algorithm achieves higher cache hit ratio and lower average service delay than the two benchmark algorithms, that makes better use of the storage space of the mobile edge network.
Keywords: Information and Communication Collaborative Cache D2D Communication Auction Algorithm
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