Cross-layer based data management in mobile ad hoc networks

Authors:
Mieso K. Denko;Jun Tian;Thabo K. R. Nkwe;Mohammad S. Obaidat
Affiliations:
Department of Computing and Information Science, University of Guelph, Guelph, Ontario, Canada;Department of Computing and Information Science, University of Guelph, Guelph, Ontario, Canada;Department of Computing and Information Science, University of Guelph, Guelph, Ontario, Canada;Department of Computer Science & Software Engineering, Monmouth University, NJ
Venue:
GLOBECOM'09 Proceedings of the 28th IEEE conference on Global telecommunications
Year:
2009

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Abstract

Several protocols have been proposed to improve data accessibility in MANETs. Some of these proposals have adopted the cooperative caching scheme, allowing multiple mobile hosts within a neighborhood to cache and share data items in their local caches. Cross-layer optimization has not been fully exploited to further improve the performance of cooperative caching in these proposals. In this paper, we propose a cluster-based cooperative caching scheme which uses a cross-layer design approach and prefetching to further improve the performance of cooperative caching scheme. The cross-layer information is maintained in a separate data structure and is shared among network protocol layers. The performance evaluation was carried out in the NS-2 simulation environment and the results show that the proposed approach improves system performance.