Event-based distributed workflow execution with EVE

  • Authors:
  • Andreas Geppert;Dimitrios Tombros

  • Affiliations:
  • University of Zurich;University of Zurich

  • Venue:
  • Middleware '98 Proceedings of the IFIP International Conference on Distributed Systems Platforms and Open Distributed Processing
  • Year:
  • 2009

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Abstract

In event-driven workflow execution, events and event-condition-action rules are the fundamental metaphors for defining and enforcing workflow logic. Processing entities enact workflows by reacting to and generating new events. The foundation on events facilitates the integration of processing entities into coherent systems. In this paper, we present an event engine, called EVE, implementing event-driven execution of distributed workflows. Its functionality includes event registration, detection and management, as well as event notification to distributed, autonomous, reactive software components which represent workflow processing entities. We describe the distributed, multi-server, multi-client architecture of EVE and its use for workflow execution.