| 模糊信元丢弃:一种公平有效机制的研究 |
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| 引用本文： | 程东年,刘增基.模糊信元丢弃:一种公平有效机制的研究[J].电子科技大学学报(社会科学版),2000(1). |
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| 作者姓名： | 程东年 刘增基 |
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| 作者单位： | 西安电子科技大学综合业务网国家重点实验室!西安710071 |
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| 摘 要： | 提出了一种基于模糊逻辑的信元丢弃机制,该新机制不仅是丢弃具有低级信元丢弃优先权的信元,而且能较公平地丢弃网络资源消耗量最小的信元。定义了对称模糊集,并给出了两个性质;建立了通过模糊推理计算网络资源有效性及信元丢弃公平性对信元丢弃的模糊定量关系,并以此确定了相应的信元选择规则。模拟分析表明,该机制可在公平性基础上较明显地减小因丢弃信元而导致的网络资源损失。
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| 关 键 词： | 异步转移模式 服务质量 选择性信元丢弃 模糊逻辑 |
Fuzzy-logic-based Cell Discarding:Study on A New Scheme with Cost-effectiveness and Fairness in ATM Networks |
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| Cheng Dongnian ,Liu Zengji.Fuzzy-logic-based Cell Discarding:Study on A New Scheme with Cost-effectiveness and Fairness in ATM Networks[J].Journal of University of Electronic Science and Technology of China(Social Sciences Edition),2000(1). |
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| Authors: | Cheng Dongnian Liu Zengji |
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| Abstract: | This paper proposes a fuzzy-logic-based cell discarding scheme employing a new cell choice discipline. The proposed scheme serves the purpose of not only dropping cells fairly but minimizing the network resource volume consumed by lost cells. Two useful properties are derived of the weighted average fuzzy inference on the basis of "symmetric fuzzy sets". A new cell choice discipline, determined by a fuzzy quantitative relation featuring cost-effectiveness and fairness, is presented. The results obtained from simulation show that the proposed scheme can make a marked improvement on the average volume of lost network resources and the cell discarding fairness. |
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| Keywords: | asynchronous transfer mode quality of service selective cell discarding fuzzy logic |
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