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Authors: Adam Barker 1 and Rajkumar Buyya 2

Affiliations: 1 University of St Andrews, United Kingdom ; 2 University of Melbourne, Australia

ISBN: 978-989-8425-52-2

Keyword(s): Service-oriented architectures, Optimisation, Scientific workflows, Data deluge.

Related Ontology Subjects/Areas/Topics: Cloud Computing ; Collaboration and e-Services ; Communication and Software Technologies and Architectures ; Data Engineering ; e-Business ; Enterprise Information Systems ; Languages, Tools and Architectures ; Mobile Software and Services ; Model-Driven Software Development ; Ontologies and the Semantic Web ; Service Composition and Mashups ; Service-Oriented Architectures ; Services Science ; Software Agents and Internet Computing ; Software Engineering ; Software Engineering Methods and Techniques ; Technology Platforms ; Telecommunications ; Web Services ; Wireless Information Networks and Systems

Abstract: Service-oriented workflows in the scientific domain are commonly composed as Directed Acyclic Graphs (DAGs), formed from a collection of vertices and directed edges. When orchestrating service-oriented DAGs, intermediate data are typically routed through a single centralised engine, which results in unnecessary data transfer, increasing the execution time of a workflow and causing the engine to become a performance bottleneck. This paper introduces an architecture for deploying and executing a service-oriented DAG-based workflows across a peer-to-peer proxy network. A workflow is divided into a set of vertices, disseminated to a group of proxies and executed without centralised control over a peer-to-peer proxy network. Through a Web services implementation, we demonstrate across PlanetLab that by reducing intermediate data transfer and by sharing the workload between distributed proxies, end-to-end workflows are sped up. Furthermore, our architecture is non-intrusive: Web services ow ned and maintained by different institutions do not have to be altered prior to execution. (More)

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Paper citation in several formats:
Barker, A. and Buyya, R. (2011). DECENTRALISED ORCHESTRATION OF SERVICE-ORIENTED SCIENTIFIC WORKFLOWS.In Proceedings of the 1st International Conference on Cloud Computing and Services Science - Volume 1: CLOSER, ISBN 978-989-8425-52-2, pages 222-231. DOI: 10.5220/0003384302220231

@conference{closer11,
author={Adam Barker. and Rajkumar Buyya.},
title={DECENTRALISED ORCHESTRATION OF SERVICE-ORIENTED SCIENTIFIC WORKFLOWS},
booktitle={Proceedings of the 1st International Conference on Cloud Computing and Services Science - Volume 1: CLOSER,},
year={2011},
pages={222-231},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003384302220231},
isbn={978-989-8425-52-2},
}

TY - CONF

JO - Proceedings of the 1st International Conference on Cloud Computing and Services Science - Volume 1: CLOSER,
TI - DECENTRALISED ORCHESTRATION OF SERVICE-ORIENTED SCIENTIFIC WORKFLOWS
SN - 978-989-8425-52-2
AU - Barker, A.
AU - Buyya, R.
PY - 2011
SP - 222
EP - 231
DO - 10.5220/0003384302220231

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