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I work in the area of computer systems. My research interests withincomputer systems are quitebroad, including scientific computing,mobile computing, and network security. The common theme is that mystudents and I try to work on problems whose solutions can beimplemented and deployed and have an impact on people outside ourfield. For a number of years, my students and I have worked with civilengineers and seismologists on the difficult problem of predicting themotion of the ground during strong earthquakes, in particular those inthe Los Angeles basin of Southern California. To provide thiscapability, we develop new techniques for parallel mesh generation,wave propagation, visualization and postprocessing of the outputdata. We are also working with Natassa Ailamaki and Greg Ganger todevelop a new computing methodology, called Computational DatabaseSystems, for performing the entire scientific computing process,including mesh generation, solving, and visualization and analysis,directly on databases. I am also working with Satya and colleagues at Intel ResearchPittsburgh on a new approach for mobile computing based on migratingvirtual machines over the Internet. The idea is that your computerfollows you wherever you go, without having to lug around any hardware(although small portable storage devices can be used to speed upaccess by serving as local lookaside caches). We are developing anddeploying a prototype system, called Internet Suspend/Resume (ISR), onthe Carnegie Mellon campus. Our goal is to deploy the systemcampus-wide, where it will serve as a useful tool for students andfaculty, as well as providing a rich source of experimental data. Toachieve this goal, we will need to solve many problems, such asdealing with the massive size of the virtual machine state andsecuring access to that state. Students who would like to solve these kinds of problems on realsystems would enjoy working with us. Drop by any time if you want tochat. |
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