Modified application centric load balancing algorithm for satellite-based grids

  • Authors:
  • Brajendra K. Singh;Haresh S. Bhatt;Akshai K. Aggarwal

  • Affiliations:
  • Space Applications Centre, Indian Space Research Organization, Ahmedabad, India;Space Applications Centre, Indian Space Research Organization, Ahmedabad, India;School of Computer Science, University of Windsor, Ontario, Canada

  • Venue:
  • SMO'05 Proceedings of the 5th WSEAS international conference on Simulation, modelling and optimization
  • Year:
  • 2005

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Abstract

A load balancing algorithm for a heterogeneous distributed computing environment attempts to improve the response time of a parallel or distributed application by ensuring optimum utilization of available resources. When the compute-resources are geographically dispersed, as is the case for grids, these resources may be connected through low speed satellite networks. Hence network delay for data transfer may become a significant factor in the load balancing strategy. In this paper, we have enhanced the application centric load balancing strategy to take network delay into consideration in satellite-based grid computing. The modified algorithm uses a static scheme for allocation of computer and network resources. This can satisfy the QoS requirements of applications on the grid. We have extensively analyzed and tested the performance of our algorithm.