分布式结构下视频流的缓存优化分配

来源 :哈尔滨理工大学学报 | 被引量 : 0次 | 上传用户:aquabluesky
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将代理缓存、补丁、和固定间隔组播结合起来用于分布式服务架构下的热点视频分发.在此架构下,我们假设从远端服务器到本地的代理服务和从本地的服务器到客户的路径上都具有组播能力.在以上提出的传输框架下,给出了使得远端服务器带宽使用最小的封闭形式表达,该表达式用来确定在每个本地代理服务器上每个视频的缓存分配.
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