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The rapid development of Video On Demand (VoD) service especially in wireless network incurs huge bandwidth costs. To reduce the bandwidth pressure and improve the user experience, Wireless Service Providers (WSP) began deploy cache in the Mobile Switching Center (MSC) following the power law distribution observation of video popularity for the whole system. However, based on the Sina Video dataset...
Understanding workload characteristics is critical for optimizing and improving the performance of current systems and software, and architecting new storage systems based on observed workload patterns. In this paper, we characterize the scientific workloads of the world's fastest HPC (High Performance Computing) storage cluster, Spider, at the Oak Ridge Leadership Computing Facility (OLCF). Spider...
In contrast to peer-to-peer (P2P) file sharing, video-on-demand (VoD) streaming technology over P2P network is still awaiting breakthrough. The demands on scalability, playback deadlines for all peer nodes and playback continuity under a dynamic peer join/leave situation in a lossy P2P network are the major challenges for deploying a P2P based VoD system. In this paper an efficient weight-based caching...
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