Adding dynamism to OGSA-DQP: incorporating the DynaSOAr framework in distributed query processing

Authors:
Arijit Mukherjee;Paul Watson
Affiliations:
School of Computing Science, Newcastle University, Newcastle Upon Tyne, United Kingdom;School of Computing Science, Newcastle University, Newcastle Upon Tyne, United Kingdom
Venue:
Euro-Par'06 Proceedings of the CoreGRID 2006, UNICORE Summit 2006, Petascale Computational Biology and Bioinformatics conference on Parallel processing
Year:
2006

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Abstract

OGSA-DQP is a Distributed Query Processing system for the Grid. It uses the OGSA-DAI framework for querying individual databases and adds on top of it an infrastructure to perform distributed querying on these databases. OGSA-DQP also enables the invocation of analysis services, such as Blast, within the query itself, thereby creating a form of declarative workflow system. DynaSOAr is an infrastructure for dynamically deploying web services over a Grid or a set of networked resources. The DynaSOAr view of grid computing revolves around the concept of services, rather than jobs where services are deployed on demand to meet the changing performance requirements. This paper describes the merging of these two frameworks to enable a certain amount of dynamic deployment to take place within distributed query processing.