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Auto-Adaptation in Parallel and Distributed Applications

Vijay Karamcheti

Courant Institute of Mathematical Sciences
New York University


Friday, Nov. 19, 11:00am
LC 102, Brooklyn Campus, Polytechnic University


Abstract

     Current day parallel and distributed applications are required to execute in diverse network environments with widely varying resource and security characteristics, and need to cater to multiple usage scenarios. To avoid having to explicitly construct different application configurations for each scenario, one would ideally like to rely upon a software system infrastructure that allows applications to automatically adapt to their execution environments.
     This talk will present ongoing research in the NYU Parallel and Distributed Systems Group, which is investigating different ways of building such infrastructures. The talk will focus on three frameworks - Application Tunability, CANS, and Mutable Services - which support adaptation at the level of a single application component, at the level of data streams flowing between components, and at the inter-component level respectively. Using application studies spanning image visualization, web access with weak devices over low-bandwidth networks, and clients accessing wide-area network services, we discuss how application flexibility is exposed in each of the frameworks, and describe the system support required to exploit this flexibility for adaptation purposes.

Bio:

     Vijay Karamcheti is an Associate Professor of Computer Science in the Courant Institute of Mathematical Sciences at New York University, where he heads the Parallel and Distributed Systems research group. He received his undergraduate degree in Electrical Engineering from the Indian Institute of Technology, Kanpur, his master's in Electrical and Computer Engineering from the University of Texas at Austin, and his Ph.D. in the same area from the University of Illinois at Urbana-Champaign. He serves as a Subject Area Editor for the Journal of Parallel and Distributed Computing and is a recipient of a 1999 NSF CAREER Award. Additional details about his research can be found at http://www.cs.nyu.edu/vijayk.

For further information please contact Torsten Suel