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کامپیوتر و شبکه::
سیاست تامینی
Evaluating the performance of Cloud provisioning policies, application workload models, and resources performance models in a repeatable manner under varying system and user configurations and requirements is difficult to achieve.
The CloudSim toolkit supports both system and behavior modeling of Cloud system components such as data centers, virtual machines (VMs) and resource provisioning policies.
Host is a CloudSim component that represents a physical computing server in a Cloud: it is assigned a pre-configured processing capability (expressed in millions of instructions per second-MIPS), memory, storage, and a provisioning policy for allocating processing cores to VMs.
In order to allow simulation of different provisioning policies under varying levels of performance isolation, CloudSim supports VM provisioning at two levels: first, at the host level and second, at the VM level.
At each level, CloudSim implements the time-shared and space-shared provisioning policies.
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