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Cloud computing is gaining popularity as a way to virtualize the datacenter and increase flexibility in the use of computation resources. This type of system is best exemplified by Amazon's Elastic Compute Cloud and related products. Recently, a new open-source framework called Eucalyptus has been released that allows users to create private cloud computing grids that are API-compatible with the existing Amazon standards. Eucalyptus leverages existing virtualization technology (the KVM or Xen hypervisors) and popular Linux distributions. Through the use of automated scripts provided with Ubuntu, a private cloud can be installed, from scratch, in under 30 minutes. Here, Eucalyptus is tested using I/O intensive applications in order to determine if its performance is as good as its ease-of-use.
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