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As the development in the cloud environment, virtual technology can consolidate multiple servers and abstract the hardware resources to each virtual machine. Memory is a well-known physical hardware resource, which has various limitations because of its high cost and strong power. The size of memory in which virtual machines in the Cloud environment always changes dynamically. Therefore, a flexible...
Infrastructure as a Service (IaaS) is a service mode of cloud, which provides Virtual Machines (VMs) to customers. With the increasingly fierce competition in market, cloud providers pay more attention to Quality of service (Qos). As the practical measurement costs a large amount of resource, deriving performance metrics from analytical model is a good choice. Recently, Stochastic Petri Net (SPN)...
Infrastructure as a service (IaaS) is a form of cloud computing, which converts physical machines (PMs) to various types of resources by virtualization technology, and delivers these resources to customers by a on-demand way. However, different customer requirements complicate the usage of resources. In this paper, we employ a high level formalization way, Performance Evaluation Process Algbra (PEPA),...
Cloud computing integrates the computation, storage, network etc., making it behaves as a virtualized computing resource pool, and provides services to customers with the dynamic on-demand and measurable way. In order to manage these resources, some cloud computing platform management systems composed of different function modules have been developed, and the coupling between these modules is very...
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