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This paper proposes a simple and practical RAID reconstruction optimization scheme, called JOurnal-guided Reconstruction (JOR). JOR exploits the fact that significant portions of data blocks in typical disk arrays are unused. JOR monitors the storage space utilization status at the block level to guide the reconstruction process so that only failed data on the used stripes is recovered to the spare...
Wi-Max is the fourth generation of high speed broad band internet connection. With a suitable antenna it can cover L.O.S. thirty miles with 5 GHz at the speed of 70 Mbps. It will be available to the public at very low monthly subscription, thus, over riding the high cost of internet connection . The key element for Wi-Max applications is the construction of a proper beam forming antenna. In this article...
In this paper, we consider a finite n-person non cooperative game. A non-linear optimization model is formulated in a space of dimension equal to sum of the total number of pure strategies in the game and the number of players. A Nash equilibrium of the given game is shown to be equivalent to an optimal solution of the optimization model with zero optimal value. The algorithm is coded in MATLAB using...
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