Search+: a resource efficient peer-to-peer service discovery mechanism

  • Authors:
  • Magnus Skjegstad;Utz Roedig;Frank T. Johnsen

  • Affiliations:
  • IFI, University of Oslo, Norway;InfoLab21, Lancaster University, United Kingdom;Norwegian Defence Research Establishment, Norway

  • Venue:
  • MILCOM'09 Proceedings of the 28th IEEE conference on Military communications
  • Year:
  • 2009

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Abstract

A recent feasibility study suggests that a Service Oriented Architecture (SOA) will be central within the NATO Network Enabled Capabilities information infrastructure. An important element of a SOA is the service discovery process, but existing solutions are not sufficient in military networks. We suggest to use a robust Peer-to-Peer (P2P) network as a complement. Unfortunately, available P2P search algorithms have high bandwidth requirements which cannot be supported by low-bandwidth links in tactical networks. This paper describes a new search algorithm named Search+ which is designed for tactical networks with limited bandwidth resources. The evaluation of Search+ presented in this paper shows that it outperforms existing search algorithms in terms of bandwidth consumption while achieving comparable search success rates.