Service invocation triggers: a lightweight routing infrastructure for decentralised workflow orchestration

Authors:
Walter Binder;Ion Constantinescu;Boi Faltings
Affiliations:
Faculty of Informatics, University of Lugano, CH 6904 Lugano, Switzerland.;Ecole Polytechnique Federale de Lausanne (EPFL), Artificial Intelligence Laboratory, CH 1015 Lausanne, Switzerland.;Ecole Polytechnique Federale de Lausanne (EPFL), Artificial Intelligence Laboratory, CH 1015 Lausanne, Switzerland
Venue:
International Journal of High Performance Computing and Networking
Year:
2009

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Abstract

Traditional, centralised workflow orchestration often leads to inefficient routing of messages. To solve this problem, we present a novel scheme to execute workflows in a fully decentralised way. We introduce service invocation triggers, a lightweight infrastructure that routes messages directly from the producing service to the consuming one, enabling fully decentralised workflow orchestration. An evaluation confirms that decentralised orchestration can significantly reduce the network traffic when compared with centralised orchestration.