The Impact of Mobility Prediction on the Performance of P2P Content Discovery Protocols over Mobile Ad-Hoc Networks

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1 Departmentof Computer Engineering, Sari Branch, Islamic Azad University, Sari ,Iran

2 Department of Computer Engineering, Kashan Branch, Islamic Azad University, Kashan ,Iran

3 Department of Computer Engineering, Naragh Branch, Islamic Azad University, Naragh ,Iran

Abstract

Content discovery is one of the fundamental issues that determines the architecture and performance of content distribution networks based on peer-to-peer (P2P) networks. To administrate the costs and discoveries, peers of a P2P network communicate with each other by one or more overlay layers. The condition of node’s relations in overlay networks, have a great impact in efficiency of networks. Therefore the suitability of an overlay network is so important. So it should be proposed some techniques to create the overlay layer in the best possible. Hence, this paper proposes a new method for designing an overlay layer that can improve the efficiency of it .For this purpose, It will be applied one of the mobility prediction patterns and change the Gnutella protocol. After evaluation, simulation results clarified the significant role of mobility prediction on performance of P2P content discovery protocol over mobile ad-hoc networks.

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