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Sonata: A Workflow Model for Interactive Mobile Cloud Applications

  • Verdi March
  • Yan Gu
  • Bu Sung Lee
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7759)

Abstract

Workflow is a well-established approach to visually compose large and complex applications out of components. However, existing workflow models do not provide high-level abstractions of two recurring user-interaction patterns in mobile cloud applications, namely backtracking and interactive controls. In this paper, we propose Sonata, a workflow model that provides high-level abstractions for implicit and structured backtracking, and interactive controls. We prototype a workflow engine for Android devices and another for a RESTful cloud service platform, each of which orchestrates the execution of mobile components and cloud services, respectively. Choreography between the mobile orchestrator and cloud orchestrator is implemented on top of HTTP using REST-style invocations. An example application workflow incorporating all our proposed constructs is further elaborated.

Keywords

implicit backtracking structured workflow interactive control orchestration choreography 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Verdi March
    • 1
  • Yan Gu
    • 1
  • Bu Sung Lee
    • 1
  1. 1.Cloud Intelligence Lab, Hewlett-Packard LaboratoriesSingapore

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