Publishing Persistent Grid Computations as WS Resources

Publication Type  Conference Paper
Year of Publication  2005
Authors  Heinis, T.; Pautasso, C.; Deak, O.; Alonso, G.
Conference Name  Proc. of the 1st IEEE International Conference on e-Science and Grid Computing (e-Science 2005)
Month  00/12/2005
Conference Location  Melbourne, Australia
Abstract  Grid services can be composed into processes, providing a high level definition of the computations involved in terms of their data exchanges and control flow dependencies. We show how processes themselves can be efficiently published as Grid services by mapping the persistent state of the process executions to standard compliant interfaces as defined by the Web Services Resource Framework (WS-RF). Mapping processes to resources is a fundamental step to enable recursive Grid service composition, where composite Grid services are themselves published as services. This gives processes a standardized and wellunderstood interface that enables their management, monitoring, steering and adaptation. Additionally it eases their reusability and simplifies integration into existing Grid applications and portals. In order to determine the mapping’s overhead, we include the results of a comprehensive performance evaluation.
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