A virtual server queueing network method for component based performance modelling of metacomputing

  • Authors:
  • Yong Woo Lee

  • Affiliations:
  • The University of Seoul, The Faculty of Electrical and Computer Engineering, Seoul, South Korea

  • Venue:
  • Future Generation Computer Systems - Special issue: Semantic grid and knowledge grid: the next-generation web
  • Year:
  • 2004

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Abstract

In this paper, we introduce a virtual server queueing network concept to evaluate the performance of metacomputing systems. It adds a virtual server concept to the existing queueing network theory. It enables us to effectively and accurately evaluate the performance of metacomputing systems. Component based software development now gains much interest and is especially regarded as very useful and necessary in the area of metacomputing. We find that the virtual server queueing network concept is well suited for a component based performance modelling and evaluation approach. In this paper, we have derived component based performance models of a metacomputing environment using the virtual server queueing network concept and validated them through measurement. With it, we quantitatively characterize the file access performance of caching in the metacomputing environment. We used a stochastic discrete event simulation as the main methodology to solve the models.