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Contention-Aware Resource Management System in a Virtualized Grid Federation

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Executive Summary

Several efforts have been made towards the development of architectures, mechanisms, and policies that enable resource allocation across several Grids. Recently, such federated Grids have applied lease-based and Virtual Machine-based approaches in allocating resources. Lease-based approach along with VMs impose new challenges to the resource management systems in federated Grids. In this paper, the authors deal with some of these challenges in the context of InterGrid as a virtualized federated Grid environment. The first challenge they deal with is selecting the best set of leases for preempting in favor of users with higher priority. The second problem they consider in federated Grid is how a meta-scheduler should schedule the incoming requests amongst available sites (clusters) in a way that minimum contention take place.

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