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The trend towards more and more efficient computing resources, yet preserving quality of service, is particularly relevant in datacenters and in cloud infrastructures, where a rigorous and adequate management of resources is performed. Resource monitoring, optimization criteria, adaptive mechanisms are being intensively studied from constantly improving efficiency and reducing the environmental impact...
The increasing utilization of cloud resources raises several issues related to their environmental impact and, more in general, sustainability. Recently, most of the contributions have focused on energy efficiency achieved through a better physical and virtual resource management. The present paper considers instead the application level, extending the focus to the reduction of CO2 emissions related...
Energy efficiency and CO2 awareness are globally-important issues in cloud computing. With increasing attention being paid to the environmental impact of cloud computing there are concerns about the sustainability of cloud computing model as its uptake increases. In this respect, we consider it useful to provide a snapshot of the requirements for energy efficient and CO2 aware cloud computing to allow...
Web Service adaptation and evolution is receiving huge interest in the service oriented architecture community due to dynamic and volatile web service environment. Regarding quality of service changes, Web Services need to be able to adapt dynamically to respond to such changes. However, formulating quality of service parameters and their relationship with adaptation behaviour of a service based system...
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