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An Efficient Implementation of File Sharing ∗ Systems on the Basis of WiMAX and Wi-Fi
"... Abstract—This paper proposes an efficient algorithm for P2P file sharing systems based on WiMAX mesh mode and Wi-Fi technologies. Wireless networks in our system are hierarchically divided into three layers: Wi-Fi based wireless local area networks under a subscriber station; the mesh network of sub ..."
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Abstract—This paper proposes an efficient algorithm for P2P file sharing systems based on WiMAX mesh mode and Wi-Fi technologies. Wireless networks in our system are hierarchically divided into three layers: Wi-Fi based wireless local area networks under a subscriber station; the mesh network of subscriber stations under a base station; the network of base stations. File lookup procedure may go through three steps: the requesting end host firstly looks up for the requested file within it’s neighbor end hosts under the same subscribe station; if fails, then it sends lookup messages to the nearest subscriber stations in the mesh network following to a changed dynamic source routing protocol; if both the steps fail, then the requesting end host searches the requested file through the Chord-based base stations ’ overlay. By statistical analysis and simulations, we prove that our layered P2P file sharing system can reduce the number of lookup messages in physical networks and prevent over expenses of precious bandwidth in wireless metropolitan area networks. Index Terms—P2P File sharing system, WiMAX I.
An Efficient Source Peer Selection Algorithm in Hybrid P2P File Sharing Systems
"... Abstract. We propose a source peer selection algorithm which efficiently chooses peers as sources from a set of peers having the requested file in a hybrid P2P file sharing system. Our proposed algorithm considers the energy factors as well as the communication issues and the peers ’ contribution to ..."
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Abstract. We propose a source peer selection algorithm which efficiently chooses peers as sources from a set of peers having the requested file in a hybrid P2P file sharing system. Our proposed algorithm considers the energy factors as well as the communication issues and the peers ’ contribution to the file sharing system. The core idea of our algorithm is to minimize the workload of the wireless peers, and to leave those jobs to cable connected peers which are much stronger than wireless ones. We validate our algorithm through comprehensive simulations, which show that the algorithm works correctly and effectively.
Context-Aware Routing Method for P2P File Sharing Systems over MANET
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