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With the tremendous growth of cloud computing and Internet-scale online services, massive geographically distributed infrastructures have been deployed to meet the increasing demand, resulting in significant monetary expenditure and environmental pollution caused by energy consumption. In this paper, we investigate how to minimize the long-term energy cost of dynamic Internet-scale systems by fully...
By analyzing features of DoS attacks in soft switch network, in this paper we propose a set of attack effect evaluation indices, which take both users and systems into consideration. A model combining SPA and fuzzy comprehensive judgment is designed to evaluate DoS attack effect. This model performs well in evaluating attack without deterministic evaluation indices, and it can not only provide evaluation...
In order to solve the problem of lacking robustness against the unknown array steering vector in minimum variance beamformer. A new beamforming algorithm based on spherical uncertainty set is proposed in this paper. In this paper, we investigate the robust beamforming with spherical constraint on steering vector further and provide a novel robust minimum variance beamforming (RMVB) algorithm. Compared...
Aiming at limitations of the current fault diagnosis of the software-intensive equipment (SIE), this paper presents a method of fault diagnosis for software-intensive equipment based on information fusion technology. The multi-resource fusion diagnosis structure and the fusion arithmetic are detailed in this paper. The method establishes system structure of fault diagnosis, realizes the feature level...
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