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Topic Similarity-based Event Routing Algorithm for Wireless Ad-Hoc Publish/Subscribe Systems

  • Journal of The Korea Society of Computer and Information
  • Abbr : JKSCI
  • 2009, 14(10), pp.11-22
  • Publisher : The Korean Society Of Computer And Information
  • Research Area : Engineering > Computer Science

웬중휴 1 Sangyoon Oh 1

1아주대학교

Accredited

ABSTRACT

For a wireless ad-hoc network, event routing algorithm of the publish/subscribe system is especially important for the performance of the system because of the dynamic characteristic and constraint network of its own. In this paper, we propose a new hybrid event routing algorithm, TopSim for efficient publish/subscribe system on the wireless ad-hoc network by extending the ShopParent algorithm by considering not only network overheads to choose a Parent of the publish/subscribe tree, but also topic similarity which is closeness of subscriptions. Our evaluation shows our proposed TopSim performs better for the case where a new joining node subscribed to the multiple topics and there is a node among Parent candidate nodes who subscribe to the ones in the list of multiple topics (related topics).

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