On the optimization trade-offs of expanding ring search

  • Authors:
  • Jahan Hassan;Sanjay Jha

  • Affiliations:
  • School of Information Technologies, The University of Sydney, Sydney, NSW, Australia;School of Computer Science and Engineering, The University of New South Wales, Sydney, NSW, Australia

  • Venue:
  • IWDC'04 Proceedings of the 6th international conference on Distributed Computing
  • Year:
  • 2004

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Abstract

In decentralized and unstructured networks, such as peer-to-peer and Ad-hoc wireless networks, broadcasting of queries is frequently used for obtaining required information. However, because of the inherent overhead of broadcasting in terms of bandwidth, energy, and processing power consumption, various techniques are used to minimize those overhead. Expanding Ring Search (ERS) is one such technique. Although ERS helps to reduce the overhead of broadcasting, it does not reduce the expected locating time. In this paper, we analyze the locating time and overhead that are two contradicting metrics of ERS performance.