Experiments on Network Services for the Grid

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Experiments on Network Services for the Grid
—For demanding Grid applications that use resources at different cluster sites a reservation mechanism ensures the availability of resources to guarantee a certain level of QoS. Besides computational and storage resources we see the network as a reservable resource. Our approach to QoS is to book resources in the network for exclusive usage. For this purpose, a flexible reservation mechanism is needed to meet the requirements of Grid applications and schedulers. In this paper we introduce a wider notion of network service than previous work. Special focus is laid on a file transfer service that guarantees the timely availability of data at the different Grid sites. To cope with these requirements, different strategies and algorithms for a flexible network reservation service are evaluated systematically. Algorithms using a single path strategy are compared to algorihms using multiple paths. Our simulation results show that data transport via multiple paths can lead to a higher use...
Christoph Barz, Peter Martini, Markus Pilz, Floria
Added 04 Jun 2010
Updated 04 Jun 2010
Type Conference
Year 2007
Where LCN
Authors Christoph Barz, Peter Martini, Markus Pilz, Florian Purnhagen
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