Improving cooperativity in a workflow coordination model over a pub/sub network

  • Authors:
  • Augusto Morales;Ramón Alcarria;Tomás Robles;Edwin Cedeño

  • Affiliations:
  • Technical University of Madrid, Madrid, Spain;Technical University of Madrid, Madrid, Spain;Technical University of Madrid, Madrid, Spain;Technical University of Madrid, Madrid, Spain

  • Venue:
  • UCAmI'12 Proceedings of the 6th international conference on Ubiquitous Computing and Ambient Intelligence
  • Year:
  • 2012

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Abstract

The execution of distributed workflows is an advance in state-of-the-art service orchestration that indeed improves scalability. However, it introduces complexity in the coordination model of distributed fragments and hampers the workflow reconfiguration. This work proposes a novel approach that uses cooperative techniques over a Pub/Sub network to improve scalability issues and dynamic executions of distributed workflows. We also propose new Pub/Sub dissemination models and strategies in the form of push gossip-based algorithms for controlling event dissemination.