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抗扰动移动对等覆盖网的构建及性能评价

DOI: 10.3969/j.issn.1006-7043.201307007

Keywords: 移动对等覆盖网, k-派系, 扰动, 性能评价, Gossip算法

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Abstract:

为解决现有移动对等覆盖网络抗扰动性差和资源查询成功率低的问题,提出一种基于k-派系社区结构的移动对等覆盖网,按照节点加入的先后顺序形成多个k-派系,并通过对拓扑结构动态变化的自适应和资源列表共享实现系统的抗扰动性。利用改进的Gossip算法进行拓扑控制信息和资源共享列表的数据分发,保证系统在扰动情况下的动态调整效率,有效降低网络负载。提出一个三维移动对等覆盖网在扰动情况下的性能评价模型,并对多种覆盖网在该模型下的性能进行了评估。评估结果表明,所提覆盖网在剧烈扰动情况下保持了较高的查询成功率。

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