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Large parallel file systems (PFSs) must service multiple independent workloads concurrently. Workloads often require different quality of service (QoS) of metadata I/O. However, existing PFSs are unable to differentiate metadata I/O from different workloads. There are many researches on QoS support of storage system, they do not focus on metadata I/O of PFSs as one metadata I/O can have several sub-operations...
The physical characteristics of current mobile devices impose significant constraints on the processing of 3D graphics. The remote rendering framework is considered a better choice in this regard. However, limited battery life is a critical constraint when using this approach. Earlier methods based on this framework suffered from high transmission frequency. We present a software solution to this...
Handoff scheme provides continuous and seamless transfer when the mobile node moves around the overlay area of wireless networks. It is not practical to use the traditional Received Signal Strength Indication (RSSI) based methods to decide when to process handoff in Collaborative Virtual Environment (CVE), because the probe delay occupies most of the handoff delay time. In this paper, we propose a...
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