Dynamic resource management and automatic configuration of distributed component systems

  • Authors:

  • Fabio Kon;Tomonori Yamane;Christopher K. Hess;Roy H. Campbell;M. Dennis Mickunas

  • Affiliations:

  • Department of Computer Sciene, University of São Paulo, Brazil;Energy and Industrial Systems Center, Mitsubishi Electric Corporation;Department of Computer Science, University of Illinois at Urbana-Champaign;Department of Computer Science, University of Illinois at Urbana-Champaign;Department of Computer Science, University of Illinois at Urbana-Champaign

  • Venue:
  • COOTS'01 Proceedings of the 6th conference on USENIX Conference on Object-Oriented Technologies and Systems - Volume 6
  • Year:
  • 2001

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Abstract

Component technology promotes code-reuse by enabling the construction of complex applications by assembling off-the-shelf components. However, components depend on certain characteristics of the environment in which they execute. They depend on other software components and on hardware resources. In existing component architectures, the application developer is left with the task of resolvig those dependencies, i.e., making sure that each component has asscess to all the resources it needs and that all the required components are loaded. Nevertheless, according to encapsulation principles, developers should not be aware of the component internals. Thus, it may be difficult to find out what a component really need. In complex systems, this manual approach to dependency management can lead to disastrous results. In this paper, we propose an integrated architecture for managing dependencies in distributed component-based systems in an effective and uniform way. The architecture supports automatic configuration and dynamic resource management in distributed heterogeneous environments. We describe a concrete implementation of this architecture and present experimental results.