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Fault-tolerant grid services


My thesis investigates how to replicate services using the primary-backup approach in grid environments. First, the design of a primary-backup protocol using the OGSI grid standard and implementation based on Globus Toolkit 3 are presented, in order to evaluate the feasibility and performance of existing grid middlewares. Then an architecture of integrating the primary-backup replication with other techniques is proposed and evaluated. Finally, this thesis addressing the issue replicating services on asynchronous grid environments. The experiments on local clusters and PlanetLab show the protocols we proposed provide good performance for replicating grid services

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