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In this paper we present Cataclysm, a comprehensive approach for handling extreme overloads in hosted Internet applications. The primary contribution of our work is to develop an overload control approach that brings together admission control, dynamic provisioning of platform resources, and adaptive degradation of QoS into one integrated system. Cataclysm provides several desirable features un...

We study the spectral properties of a diffusion process taking place on the Internet network focusing on the slowest decaying modes. These modes identify an underlying modular structure roughly corresponding to individual countries. For instance, in the slowest decaying mode the diffusion current flows from Russia to U.S. military sites. Quantitatively the modular structure manifests itself in ...

in aristotle’s view, the explanation of an object or an issue is carried out according to the real form or reasonable essence and the utmost objective (ghāyat) it has and the goal it achieves. for instance, why do objects fall? according to aristotle and his followers, motion is explained as per the innate tendency of anything seeking to return to its natural resting place. the resting place or...

this study was a qualitative research which was done by a case study approach. the samples were chosen from rural development experts of hamedan province during a snowball sampling process. the data were collected by the semistructured interviews. the data collection was done by faceto- face interviews, after the interview questions guide was determined. the theoretical saturation was attained ...