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Because of the dynamic nature and an instability of grid computing environment, system behavior in terms of QoS depends crucially on the selection of appropriate subset of the available resources. Thus, a well-defined system model that provides high system availability using a scheduling mechanism is required. In this paper, we propose the SLA based Policy Administrator (SPA) with QoS constraints...
Exact knowledge of the scheduling policy used at every resource on a dynamic heterogeneous environment such as a cloud and a grid deploying a variety of different resources is unlikely to be available. This paper describes techniques for determining whether or not a set of advance reservation requests can meet their deadlines when the details of the scheduling policy deployed at the resource is unknown...
This paper proposes an opportunistic, reliable and realistic QoS mechanism for bulk data transfers in grids, which maximizes acceptance rate and network resource utilization by using an event based priority queue. The metrics that have been studied in the evaluation of elastic scheduling heuristics are the acceptance percentage and the mean flow time of requests. Some of the existing heuristics for...
Providing guaranteed QoS for grid services using resource reservation and allocation is an important feature for today's service grid. Reservation requests with existing mechanisms are often rejected during the resource utilization peak and lead to resource capacity fragment problem. In this paper, we propose a flexible capacity reservation mechanism, called FIRST, which employs the slack time-enabled...
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