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Virtual Machine (VM) migration is one of the most common techniques used to alleviate thermal anomalies (i.e., hotspots) in cloud datacenter's servers of by reducing the load and, therefore, decreasing the server utilization. However, there are other techniques such as voltage scaling that also can be applied to reduce the temperature of the servers in datacenters. Because no single technique is the...
Due to the rising importance of virtualization, extensive efforts have gone into determining and improving the performance of workloads on virtualized platforms. This has resulted in a series of modifications to the leading architecture used in virtualized system (x86) by adding hardware support for virtualization, the latest of which is the addition of tags and tag comparators to the x86 TLB. In...
Virtual Machines are becoming increasingly valuable to resource consolidation and management, providing efficient and secure resource containers, along with desired application execution environments. This paper focuses on the VM-based resource reservation problem, that is, the reservations of CPU, memory and network resources for individual VM instances, as well as for VM clusters. In particular,...
Computational grids provide computing power by sharing resources across administrative domains. This sharing, coupled with the need to execute untrusted code from arbitrary users, introduces security hazards. Grid environments are built on top of platforms that control access to resources within a single administrative domain, at the granularity of a user. In wide-area multi-domain grid environments,...
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