Vega: a service-oriented grid workflow management system

Authors:
R. Tolosana-Calasanz;J. A. Bañares;P. Álvarez;J. Ezpeleta
Affiliations:
Instituto de Investigación en Ingeniería de Aragón, Department of Computer Science and Systems Engineering, University of Zaragoza, Zaragoza, Spain;Instituto de Investigación en Ingeniería de Aragón, Department of Computer Science and Systems Engineering, University of Zaragoza, Zaragoza, Spain;Instituto de Investigación en Ingeniería de Aragón, Department of Computer Science and Systems Engineering, University of Zaragoza, Zaragoza, Spain;Instituto de Investigación en Ingeniería de Aragón, Department of Computer Science and Systems Engineering, University of Zaragoza, Zaragoza, Spain
Venue:
OTM'07 Proceedings of the 2007 OTM confederated international conference on On the move to meaningful internet systems: CoopIS, DOA, ODBASE, GADA, and IS - Volume Part II
Year:
2007

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Abstract

Because of the nature of the Grid, Grid application systems built on traditional software development techniques can only interoperate with Grid services in an ad hoc manner that requires substantial human intervention. In this paper, we introduce Vega, a pure service-oriented Grid workflow system which consists of a set of loosely coupled services co-operating each other to solve problems. In Vega, the execution flow of its services is isolated from their interactions and these interactions are explicitly modelled and can be dynamically interpreted at run-time.