Belabbas Yagoubi

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In the provision of a Grid service, a provider may have heterogeneous clusters of resources offering a variety of services to widely distributed user communities. Within such a provision of services, it will be desirable that the clusters will be hosted in a cost effective manner. Hence, an efficient structure of the available resources should be decided(More)
Workload and resource management are two essential functions provided at the service level of the Grid software. To improve the global throughput of these environments, effective and efficient load balancing algorithms are fundamentally important. Although load balancing problem in classical distributed systems has been intensively studied, new challenges(More)
Workload and resource management are two essential functions provided at the service level of the Grid software. To improve the global throughput of these environments, effective and efficient load balancing algorithms are fundamentally important. Although load balancing problem in classical distributed systems has been intensively studied, new challenges(More)
Replication techniques in data grid are widely used to improve data access time, to reduce bandwidth consumption and to increase fault tolerance. A replication technique is highly dependent upon architecture of grid. Many replications strategies are employed by some major topologies used in data environment such as tree, multi-tier or peer to peer (P2P)(More)
Computational grids have the potential for solving large-scale scientific problems using heterogeneous and geographically distributed resources. However, a number of major technical hurdles must overcome before this potential can be realized. One problem that is critical to effective utilization of computational grids and gives a certain Quality of Service(More)
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