We show how a standard Grid service architecture can be improved by interposing a policy enforcement engine between a calling application and the relative client stubs. Therefore, with our solution selection and invocations are not hard-coded into client applications but (declaratively) denned and enforced outside the clients; therefore they can be (de)activated and modified on-line. Our policies are specified using the PDL language which supports specification of preferences and prohibitions in the routing of remote invocations to Web services.
Specification and execution of policies for grid service selection / M. Marchi, A. Mileo, A. Provetti - In: Proceedings. IEEE International Conference on Web Services, 2004Prima edizione. - [s.l] : IEEE, 2004. - ISBN 0769521673. - pp. 828-829 (( convegno IEEE International Conference on Web Services (ICWS 2004) tenutosi a San Diego nel 2004 [10.1109/ICWS.2004.1314961].
Specification and execution of policies for grid service selection
A. Provetti
2004
Abstract
We show how a standard Grid service architecture can be improved by interposing a policy enforcement engine between a calling application and the relative client stubs. Therefore, with our solution selection and invocations are not hard-coded into client applications but (declaratively) denned and enforced outside the clients; therefore they can be (de)activated and modified on-line. Our policies are specified using the PDL language which supports specification of preferences and prohibitions in the routing of remote invocations to Web services.
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