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I am a research faculty member in the College of Computing at Georgia Tech.
I assumed this position in Fall 2000 after my Ph.D. I advise
undergraduate/graduate students, supervise research assistants, formulate
proposals for sponsored research, lead projects as co-PI, perform collaborative
research, and occasionally teach courses.
Research
My interests are in experimental research in Systems, including Parallel and Distributed Systems, Operating Systems, Network Simulation/Emulation, Network Security and Parallel Combinatorial Optimization. My current projects are in large-scale network simulation/emulation and security, and in large-scale parallel plasma simulations. I am currently serving as co-PI in an NSF-ITR project ($1.3million) and on a DARPA project ($1.5million) on related topics. I have received the Best Paper awards for two co-authored papers. Some of my collaborative research also received attention with press coverage. As byproducts of my research, periodically I have been developing several software prototype systems, which I release and maintain as service to the research community.
Teaching
Among my teaching interests are teaching undergraduate and graduate courses in Systems, such as operating systems, systems and networks, and data structures & algorithms. I have taught some of these courses in the past, and have received good ratings in official end-of-course student evaluations.
A related interest is in coaching advanced student teams for standard programming contests, such as the ACM Intercollegiate Programming contest, in which I have successfully trained several teams in the past. The teams earned top places in regional contests and went on to the World Finals several years.
Education
I received a Ph.D. in Computer Science from Georgia Tech in early 2000 (advisor: Dr. Richard Fujimoto), M.S. degree in Computer Science from the University of Central Florida in 1993, and a B.E. degree in Mechanical Engineering from the Osmania University in 1991. My Ph.D. dissertation work was the first to demonstrate that reverse computation is an excellent way to do rollback in Time Warp efficiently. Reverse computation remains one of my keen research interests; our current NSF-ITR project builds on this work, by applying it to another domain, namely, plasma physics simulation.
Past Positions
Before joining as research faculty member, I was a Research Scientist at Georgia Tech 1997-2000 while completing my Ph.D. dissertation work supported by NSF/DARPA-sponsored projects. I also interned at Bellcore, New Jersey (currently Telcordia) in 1995 & 1996 working on network modeling & simulation, and at Schlumberger, Oklahoma in 1994 working on oil well fracture visualization. Major portions of my TeD language/compiler work performed at Bellcore subsequently received wide recognition in the network research & modeling community. During my master's study, I worked as a developer of battlefield models at the Institute of Simulation & Training, Orlando in 1992 & 1993; some of the tank models I developed are incorporated in a widely used defense simulation package for semi-automated forces.
I was born in the south Indian city of Hyderabad, and grew up exploring
every nook & corner of the city on bicycle even while I was a kid, and enjoying
hill-climbing on its many rocky hills. I
lived there all the way until the time I came to the US for my M.S. study
in Orlando in 1991, then moved in 1993 to Atlanta for my Ph.D., and have been in
Atlanta since (now a US Permanent Resident). I got married to my childhood
friend Vijaya in 1994. We have two sons, Ani &
Abhi.