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Cloud computing is emerging technology due to pay-as-you-go pricing model. It is spreading globally due to its easy and simple service oriented model. Some people are having perception that cloud computing is just another name of Internet. The numbers of users accessing the cloud are rising day by day. Cloud is based on data centers, which are powerful to handle large number of users, who can access...
The broad adoption of cloud services led to an increasing concentration of servers in a few data centers. Reports estimate the energy consumptions of these data centers to be between 1.1% and 1.5% of the worldwide electricity consumption. This extensive energy consumption precludes massive CO2 emissions, as a significant number of data centers are backed by "brown" power plants. While most...
With the increasing prevalence of large scale cloud computing environments, how to place requested applications into available computing servers regarding to energy consumption has become an essential research problem, but existing application placement approaches are still not effective for live applications with dynamic characters. In this paper, we proposed a novel approach named EnaCloud, which...
In this paper, we are interested by the integration of precedence and resources sharing constraints in the real time scheduling of periodic and aperiodic tasks. We also treat the problem of dynamic voltage scaling of the processor in the same context. Many dynamic voltage scaling algorithms have been proposed in the literature. However, these algorithms do not consider the constraints of precedence...
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