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논문 기본 정보

저자정보
(Kyonggi Univ.) (Kyonggi Univ.)
저널정보
한국정보기술학회 JOURNAL OF ADVANCED INFORMATION TECHNOLOGY AND CONVERGENCE JOURNAL OF ADVANCED INFORMATION TECHNOLOGY AND CONVERGENCE, VOL. 4, NO. 2
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    초록·키워드

    This paper proposes a novel file searching protocol to structure a DHT ring consisting of only super-peers, not all nodes, for locating rare files with low file search cost and considerably improving speed and accuracy of query matches than Gnutella-like searching ones. In an N-node network, a node of the previous DHTs requires routing information about (logN) other nodes for searching the key of a desired file and O(logN<SUP>2</SUP>) messages to update routing information in the network on node join and leave operations. But in our protocol, if the number of super-peers is n in the N-node network, the protocol needs only O(logn) routing information and O(logn<SUP>2</SUP>) maintenance messages respectively. This feature allows our protocol to be much more scalable and resilient to the churn rate than the existing DHT ones.

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      UCI(KEPA) : I410-ECN-0101-2016-566-001016935