DECENTRALISED ORCHESTRATION OF SERVICE-ORIENTED SCIENTIFIC WORKFLOWS

Adam Barker, Rajkumar Buyya

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 owned and maintained by different institutions do not have to be altered prior to execution.

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Paper Citation


in Harvard Style

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


in Bibtex Style

@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},
}


in EndNote Style

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