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Based on the authors' previous experience they want to compare the performance between five hypervisors: XEN-PV, XENHVM, Open-VZ,KVM-FV,KVM-PV. They have simulated the migration of a virtual machine by using a warning failure approach. Based on some experiments they have compared CPU Consumption, Memory Utilization, Total Migration Time and Downtime. They have also tested the hypervisor's performance by changing the packet's size from 1500 byte to 32 byte. From these tests they have concluded that Open-VZ has a bigger CPU Consumption than XEN-PV, but the Total Migration time is smaller than in XEN-PV. XEN-HVM has a worse performance than XEN-PV, especially regarding to Downtime parameter.
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