Using Monitoring Techniques to Support the Cooperation of Software Components

  • Authors:
  • Roland Wismüller

  • Affiliations:
  • -

  • Venue:
  • Proceedings of the 8th European PVM/MPI Users' Group Meeting on Recent Advances in Parallel Virtual Machine and Message Passing Interface
  • Year:
  • 2001

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Abstract

Many applications in computing could be implemented by re-using existing programs, if only it were possible to easily make them interact with each other. MPI or PVM do not support these applications, as inserting a direct communication makes the components depend on each other. Even middleware for distributed computing still requires that the components already implement the necessary interfaces and that these are sufficient for the required interactions. The paper shows how on-line monitoring techniques can be used to improve this situation. An extended version of the monitoring system OCM allows both to incorporate the necessary interfaces and to define interactions between components at run-time, without having to modify their source code.