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In order to guarantee data reliability in distributed storage systems, erasure codes are widely used for the desirable storage properties. Nevertheless, the codes have one drawback that overmuch data are needed to repair a failure, resulting in both large bandwidth consuming in the network and high calculation pressure on the replacement node. For repair bandwidth problem, researchers derive the tradeoffs...
Cloud storage is one of the underlying services in cloud computing. However, there are some critical issues in file storage which should be resolved urgently, such as the blocking file storage. In order to solve the shortages of hot file storage and parallel computing support issues in fixed-blocking storage, we propose a smart-blocking file storage method in this paper. By setting up 6 grouping factors,...
This paper investigates the problem how to schedule optical network resource in distributed lambda grid network. A novel scheme to share lightpath is proposed to deal with the resource allocation and sharing under the condition of multi-user and multi-task, which provide a new realization way of parallel processing in heterogeneous resource environment, and two kinds of sharing transfer mode are put...
Ship dynamic and video monitoring system at sea aims at improving safety of ship sailing and providing help for salvage. In this system, wireless communication technology of CDMA1X is used to transfer GPS dynamic positioning information and ship video. As to the special communications at sea, the actual bandwidth of single channel CDMA1X is too low to transfer video. In order to cope with this problem,...
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