Volume 4 Number 9 (Sep. 2009)
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JCP 2009 Vol.4(9): 853-861 ISSN: 1796-203X
doi: 10.4304/jcp.4.9.853-861

SOBIE:A Novel Super-node P2P Overlay Based on Information Exchange

Zhigang Chen1, Jiaqi Liu1, Deng Li1, Hui Liu2, Athanasios Vasilakos3
1School of Information Science and Engineering, Central South University, Hunan, P. R. China
2Dept. of Computer Science, Missouri State University, Springfield, MO,USA
3Dept. of Computer and Telecommunication Engineering, University of Western Macedonia,Greece


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.

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Cite: Zhigang Chen, Jiaqi Liu, Deng Li, Hui Liu, Athanasios Vasilakos, "SOBIE:A Novel Super-node P2P Overlay Based on Information Exchange," Journal of Computers vol. 4, no. 9, pp. 853-861, 2009.

General Information

ISSN: 1796-203X
Abbreviated Title: J.Comput.
Frequency: Monthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO,  ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, CNKI,etc
E-mail: jcp@iap.org
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