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With the rapid growth of the cloud industry in recent years, energy consumption of warehouse-scale datacenters has become a major concern. Energy-aware Virtual Machine consolidation has proven to be one of the most effective solutions for tackling this problem. Among the sub-problems of VM consolidation, VM placement is the trickiest and can be treated as a bin packing problem which is NP-hard, hence,...
Marine geologists use seismic tomography techniques to determine the 3D geophysical structure of the ocean floor. At the heart of seismic tomography methods is a forward solver used to compute minimum travel times from all locations in a earth model to sensors used in seismic experiments. The Stingray seismic raytracer was originally based on an adaption of Dijkstra's single-source shortest-path algorithm...
To meet the increasing demand of computational power, at present IT service providers’ should choose cloud based services for its flexibility, reliability and scalability. More and more datacenters are being built to cater customers’ need. However, the datacenters consume large amounts of energy, and this draws negative attention. To address those issues, researchers propose energy efficient algorithms...
Due to the fast growing computing need catered by Cloud infrastructure, energy consumption reduction has been an active field of research. Dynamic VM consolidation is one such research area where server load is monitored and intelligent decision is taken to optimize the usage of datacenters. In our research, we have designed an overload detection method and several VM selection methods for VM migration...
Grid computing is the most popular infrastructure in many emerging field of science and engineering where extensive data driven experiments are conducted by thousands of scientists all over the world. Efficient transfer and replication of these peta-byte scale data sets are the fundamental challenges in Scientific Grid. Data grid technology is developed to permit data sharing across many organizations...
Cloud based services are getting more and more eminent as they offer Pay-as-you-go service model. Increased need of computing and reliability are other factors of cloud based datacenters to be grown in number. However, energy consumption by Cloud based Datacenters draw negative attention as they consume considerable amount of energy while in operation. Researchers have proposed various techniques...
Handover is a very common event in Cellular Mobile network; however QoS could be severely affected by the handover performance. More handover cause more signaling traffic. Therefore, it is desired that handover should be done only when it is necessary. Besides, handover decision should be precise by taking account all possible options and considering the best one. For moving Mobile Station (MS) handover...
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