NDLI: Sobie:a novel super-node p2p overlay based on information exchange.

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Sobie:a novel super-node p2p overlay based on information exchange.

Content Provider	CiteSeerX
Author	Chen, Zhigang Liu, Jiaqi Li, Deng Liu, Hui Vasilakos, Athanasios
Abstract	Abstract—In order to guarantee both the efficiency and robustness in the Peer-to-Peer (P2P) network, the paper designs a novel Super-node Overlay Based on Information Exchange called SOBIE. Differing from current structured and unstructured, or meshed and tree-like P2P overlay, the SOBIE is a whole new structure to improve the efficiency of searching in the P2P network. The main contributions are 1) to select the super-nodes by considering the aggregation of not only the delay, distance, but also the information exchange frequency, exchange time and query similarity especially; 2) to set a score mechanism to identify and prevent the free-riders. Meanwhile, the SOBIE also guarantees the matching between the physical network and logical network and has small-world characteristic to improve the efficiency. Large number of experiment results show the advantages of the SOBIE including high efficiency and robustness by such different factors as the query success rate, the average query hops, the total number of query messages, the coverage rate and system connectivity. Index Terms—P2P overlay, super node, information exchange, topology matching, free-ridding
File Format	PDF
Access Restriction	Open
Subject Keyword	Information Exchange Novel Super-node P2p Overlay Information Exchange Frequency P2p Network Novel Super-node Overlay Large Number Query Similarity Tree-like P2p Overlay Experiment Result Query Message Super Node High Efficiency Main Contribution Exchange Time Topology Matching System Connectivity Logical Network Whole New Structure Total Number Score Mechanism Query Success Rate Different Factor Coverage Rate Small-world Characteristic Physical Network Index Term P2p Overlay Average Query Hop
Content Type	Text

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