Coloured Petri net modelling of the ODP Trader for use in resource discovery

  • Authors:
  • A. Tokmakoff;J. Billington

  • Affiliations:
  • University of South Australia, Warrendi Road, The Levels, 5095 Australia;University of South Australia, Warrendi Road, The Levels, 5095 Australia

  • Venue:
  • Computer Communications
  • Year:
  • 1996

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Abstract

As high speed networking becomes more widespread and increasingly accessible from home, a huge variety of new vendors and services will become available to consumers. These services will fall into three main categories: information services, shopping and entertainment. One of the major problems facing an increasingly information-rich society is how to quickly and conveniently locate information which is provided by different servers throughout a large distributed system. The Reference Model for Open Distributed Processing (RM-ODP) deals with the problem of locating services/resources in a heterogeneous open distributed system through the standardization of a Trading function which is realized by a Trader. To increase our understanding of a Trader's dynamic behaviour, a CPN model has been created. The Trader's computational viewpoint has been modelled using a hierarchy of CPNs which allow functional blocks to be modelled separately and their inter-relationships defined. A discussion of the model and techniques for its analysis are presented.