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Usenix04 20040702

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  • 1. Title: Xen and the Art of Repeated ResearchXen is an x86 virtual machine monitor produced by the University of Cambridge ComputerLaboratory and released under the GNU General Public License. Performance resultscomparing XenoLinux (Linux running in a Xen virtual machine) to native Linux as well as toother virtualization tools such as User Mode Linux (UML) were recently published in thepaper "Xen and the Art of Virtualization" at the Symposium on Operating Systems Principles(October 2003). In this study, we repeat this performance analysis of Xen. We also extendthe analysis in several ways, including comparing XenoLinux on x86 to an IBM zServer. Weuse this study as an example of repeated research. We argue that this model of research,which is enabled by open source software, is an important step in transferring the results ofcomputer science research into production environments.