| 基于信誉机制的Pastry网络模型的改进 |
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| 引用本文： | 柳君,吴国文,罗欣. 基于信誉机制的Pastry网络模型的改进[J]. 计算机应用与软件, 2011, 28(12) |
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| 作者姓名： | 柳君 吴国文 罗欣 |
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| 作者单位： | 东华大学计算机科学与技术学院 上海201620 |
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| 摘 要： | Pastry以其鲁棒的结构化拓扑模型和有效收敛的最大掩码匹配算法,成为了目前较流行的P2P网络模型,但是它丢弃了路由历史中所包含的启发信息,忽略了路由表中节点的路由性能因素,较片面的路由准则将阻碍路由性能的提升。提出在节点交互后对服务节点进行服务效果的评估,将Pastry网络中节点距离的概念融入评估因素,把待选择节点与目标节点的掩码匹配值和待选择节点的路由信誉结合在一起,丰富了路由规则,有效地提高路由命中率。最后进行了模拟实验,证明路由效率确实得到了提高。
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| 关 键 词： | 信誉模型 P2P网络 Pastry网络模型 |
IMPROVEMENT OF REPUTATION-MECHANISM-BASED PASTRY NETWORK MODEL |
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| Liu Jun,Wu Guowen,Luo Xin. IMPROVEMENT OF REPUTATION-MECHANISM-BASED PASTRY NETWORK MODEL[J]. Computer Applications and Software, 2011, 28(12) |
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| Authors: | Liu Jun Wu Guowen Luo Xin |
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| Affiliation: | Liu Jun Wu Guowen Luo Xin(School of Computer Science and Technology,Donghua University,Shanghai 201620,China) |
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| Abstract: | Pastry has become a popular P2P network model for its robust structured topology model and effective convergent maximum mask matching algorithm.However it loses the illuminative information which the router history contains;and it ignores the router performance factors of nodes in the routing table.Its one-sided routing guidelines will hinder the routing performance improvement.The article suggests an assessment over service effects of service nodes after nodes interactions,melting the concept of node dista... |
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| Keywords: | Reputation model P2P networks Pastry network model |
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