DHT-Based Mobile Service Discovery Protocol for Mobile Ad Hoc Networks

  • Authors:
  • Eunyoung Kang;Moon Jeong Kim;Eunju Lee;Ungmo Kim

  • Affiliations:
  • School of Computer Engineering, Sungkyunkwan University, Suwon, Korea 440-776;School of Computer Engineering, Sungkyunkwan University, Suwon, Korea 440-776;School of Computer Engineering, Sungkyunkwan University, Suwon, Korea 440-776;School of Computer Engineering, Sungkyunkwan University, Suwon, Korea 440-776

  • Venue:
  • ICIC '08 Proceedings of the 4th international conference on Intelligent Computing: Advanced Intelligent Computing Theories and Applications - with Aspects of Theoretical and Methodological Issues
  • Year:
  • 2008

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Abstract

Service discovery to search for a service available in a mobile ad-hoc network is an important issue. Although mobile computing technologies grow ever more powerful and accessible, MANET, consisting of mobile devices without any fixed infrastructure, has such features as high mobility and resource constraints. In this paper, we propose an effective service discovery protocol which is based on the concept of peer-to-peer caching of service information and DHT-based forwarding of service requests to solve these problems. Neighboring information, such as services and power is shared not only through logical neighbors but also through physically nearby neighboring nodes. Our protocol is that physical hop counts and the number of messages exchanged have been significantly reduced, since it does not require a central lookup server and does not rely on multicasting and flooding. The results of the simulation show that our proposed scheme works very well on dynamic MANET.