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PADS '98 Proceedings of the twelfth workshop on Parallel and distributed simulation
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ACM SIGOPS Operating Systems Review - OSDI '02: Proceedings of the 5th symposium on Operating systems design and implementation
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MobiEval '07 Proceedings of the 1st international workshop on System evaluation for mobile platforms
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ATC'08 USENIX 2008 Annual Technical Conference on Annual Technical Conference
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Proceedings of the 2nd International Conference on Simulation Tools and Techniques
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IPDPS '09 Proceedings of the 2009 IEEE International Symposium on Parallel&Distributed Processing
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Proceedings of the seventh ACM international workshop on Challenged networks
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We present and evaluate HYDRA, a virtualized testbed for realistic large-scale network simulations. While classic simulation tools only provide approximations of the protocol stack, HYDRA virtualizes nodes running a complete Linux system. Mobility models and connection management integrated into HYDRA allow for the simulation of various wireless networking scenarios. Our distributed virtualization approach achieves excellent scalability and the automated node setup makes it easy to deploy large setups with hundreds of nodes. Hardware-in-the-loop simulations are possible, using HYDRA to augment a testbed of real devices. The ability to boot a HYDRA node completely from an USB flash drive enables the user to convert temporarily unused computer resources into a testbed without the need for any complex setup.