DPT: A topology construction method for P2P networks

被引：0
|
作者：
Yu, Zhen [1 ]
Yao, Xuan-Xia [1 ]
Wang, Ying [1 ]
Wang, Shao-Jie [2 ]
机构：
[1] School of Info. Eng., Univ. of Sci. and Technol. Beijing, Beijing 100083, China
[2] National Research Center for Info. Technol. Sanctity, Beijing 100094, China
来源：
Sichuan Daxue Xuebao (Gongcheng Kexue Ban)/Journal of Sichuan University (Engineering Science Edition) | 2010年 / 42卷 / 04期
关键词：
Quality of service - Location - Efficiency - Peer to peer networks - Titration;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
To improve the efficiency of resource locating in Peer-to-Peer (P2P) networks, and isolate malicious peers, a topology construction method for unstructured P2P networks called DPT was proposed. In DPT, each neighbor of a peer had a changeable TTL (time-to-live), the reliable TTL of each neighbor was changed by its transmitting condition after each interaction, and the transmitting condition of direct forwarding peers of query paths was also recorded. The method designed some structures to store peers' transmitting information, and proposed algorithms to adjust the topology of P2P networks. Simulations demonstrated that the topology construction method of DPT can isolate malicious peers to the fringe of the network, and improve the efficiency of resource locating, enhancing the quality of service in P2P networks effectively.
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页码：103 / 110
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