Service discovery in mobile ad hoc networks

Authors:
Hua-Wen Tsai;Tzung-Shi Chen;Chih-Ping Chu
Affiliations:
Department of Computer Science and Information Engineering, National Cheng Kung University, Tainan, Taiwan;Department of Information and Learning Technology, National University of Tainan, Tainan, Taiwan;Department of Computer Science and Information Engineering, National Cheng Kung University, Tainan, Taiwan
Venue:
ICOIN'06 Proceedings of the 2006 international conference on Information Networking: advances in Data Communications and Wireless Networks
Year:
2006

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Abstract

Service Discovery is expected to become a crucial application of mobile ad hoc networks (MANETs) A number of existing service discovery protocols is mainly aimed at infrastructure-based and/or 1-hop ad hoc wireless networks In this paper, we propose a novel mechanism using hierarchical grid architectures for service discovery in MANET The geographic area of MANET is partitioned into 2D logical hierarchy grid In each grid, we select a directory node to cache the available service descriptions that are registered by the providers for replying the inquiry of requestors For enhancing the efficiency of registration and discovery, we propose service registration and discovery transmission patterns The shared service description is registered in the grids of registration pattern When a seeker needs a service, it obtains the descriptions along the discovery pattern Finally, the performance shows that our protocol can work efficiently in any density and different scales of networks.