Speaker: Roberto Turrin,
University of Milan, Italy.
Date/Time: 17th October 2007, 13:00-14:00.
Location: Gordon Lecture Theatre, School of Systems Engineering, Whiteknights Campus.
Abstract:
Recently Grid Computing has emerged as novel technology to solve scientific problems with high computational requirements. It allows to virtualize the access to a set of distributed resources, thus helping to share and use their computing power, memory, bandwidth, databases, etc., in a transparent and highly dynamic way.
Because of the problems related to the complexity of Grid systems and to the costs of the resources involved, and considering the unpredictable and beyond control nature of such environment (i.e., nodes become unavailable, new resources plug in,etc), it is required to study new models having a quick solution, exact or heuristic, allowing to determine the optimal number of resources to allocate and able to find optimal resource repartition and distribution policies.
The research work presented approaches new modeling techniques based on queueing networks, accomplishing performance evaluation and optimal resources decomposition in Grid environments.
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