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The need for large-scale experimentation testbeds involving several hundred, or even thousands, of nodes is undeniable. Testbeds including Emulab, and Deter are heavily used for both research and application testing. To scale even further and shed some of the limitations that the relative small number of physical nodes impose, researchers have turned to full virtualization and lightweight, container-based virtualization. Virtualization allows running multiple Virtual Execution Environments (VEEs) per physical host. This paper evaluates the use of hundreds of lightweight containers as a testbed to measure the performance of simple applications.
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