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The Kangaroo approach to data movement on the Grid

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4 Author(s)
D. Thain ; Dept. of Comput. Sci., Wisconsin Univ., Madison, WI, USA ; J. Basney ; Se-Chang Son ; M. Livny

Access to remote data is one of the principal challenges of Grid computing. While performing I/O, Grid applications must be prepared for server crashes, performance variations and exhausted resources. To achieve high throughput in such a hostile environment, applications need a resilient service that moves data while hiding errors and latencies. We illustrate this idea with Kangaroo, a simple data movement system that makes opportunistic use of disks and networks to keep applications running. We demonstrate that Kangaroo can achieve better end-to-end performance than traditional data movement techniques, even though its individual components do not achieve high performance

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High Performance Distributed Computing, 2001. Proceedings. 10th IEEE International Symposium on

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