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Information Technology Journal

Year: 2012 | Volume: 11 | Issue: 10 | Page No.: 1400-1408
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Authors

Xue-long Wang

Jing Zhang

Huai-zhou Yang

Keywords

Research Article

Research and Improvement of Unstructured P2P Super-Peer Topology and Search Technique

Xue-long Wang, Jing Zhang and Huai-zhou Yang
The study analyzed the current popular unstructured super-peer topology and the search technique. In order to avoid the high expense of topology construction, the huge cost of topology repair and the low efficiency of search, a kind of novel construction method of orderly layered super-peer topology guided by the safety peer (OLST) is presented and the search function is realized in this study. After the leaf peers being transferred and layered, the new coming peer will be joined by an assigned safety super-peer. An idea of among friends with similar interests is used to improve the search efficiency of the topology. The experimental results indicate that the method can effectively balance the super-peer load and significantly decrease the construction and repair cost of the topology. Furthermore, the search efficiency is also increased.
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