Collaborative content caching algorithms in mobile ad hoc networks environment

Authors:
Y. Abdelmalek;A. Abd El Al;T. Saadawi
Affiliations:
Department of Electrical Engineering, City University of New York, NY;Department of Electrical Engineering, City University of New York, NY;Department of Electrical Engineering, City University of New York, NY
Venue:
IM'09 Proceedings of the 11th IFIP/IEEE international conference on Symposium on Integrated Network Management
Year:
2009

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Abstract

In this paper, we address the problem of collaborative video caching in ad hoc mobile networks. We consider network portraying static video server with wired interface to gateway node that is equipped with wireless interfaces, other nodes are requiring access to the video streams that is stored at video server. In order to reduce the average access latency as well as enhance the video accessibility, efficient video caching placement and replacement strategies are crucial at some of the distributed intermediate nodes across the network. Virtual backbone caching nodes will be elected by executing caching placement algorithm after running the routing protocol phase. The simulation results indicate that the proposed collaborative aggregate cache mechanism can significantly improve the video QoS in terms of packet loss and average packet delay.