A new distributed and hierarchical mechanism for service discovery in grid environment

  • Authors:
  • Leyli Mohamad Khanli;Saeed Ebadi

  • Affiliations:
  • Computer science, Tabriz University, Iran;Islamic Azad University, Tabriz Branch, Iran

  • Venue:
  • GPC'10 Proceedings of the 5th international conference on Advances in Grid and Pervasive Computing
  • Year:
  • 2010

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Abstract

In grid environment, resources and services distributed with dynamic and heterogeneous characteristics Efficient service discovery is one challenging issue in grid environment In this paper, we propose a new distributed and hierarchical mechanism for service discovery in grid environment This approach has five layers that in previous works presented in four layers Root layer added as coverage for service index of under layers For improvement fault tolerant in proposed approach, after find requested service, action of service discovery not stopped and continue that find several instance of requested service These services will be sent to cache of institution layer that, other services will be replaced immediately if necessary Also for speed up service discovery, Nodes in one level which are the same parent send query to each other directly Performance evaluation shows that our approach achieves a good efficiency, stability and consistency.