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Interoperable job execution and data access through UNICORE and the Global Federated File System

Computing middlewares play a vital role for abstracting complexities of backend resources by providing a seamless access to heterogeneous execution management services. Scientific communities are taking advantage of such technologies to focus on science rather than dealing with technical intricacies of accessing resources. Multi-disciplinary communities often bring dynamic requirements which are not trivial to realize.

Specifically, to attain massivley parallel data processing on supercomputing resources which require an access to large data sets from widely distributed and dynamic sources located across organizational boundaries. In order to support this abstract scenario, we bring a combination that integrates UNICORE middleware and the Global Federated File System. Furthermore, the paper gives architectural and implementation perspective of UNICORE extension and its interaction with Global Federated File System space through computing, data and security standards.