arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2012.14971cs.DCcs.SIeess.SP
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基于链路的网络拓扑的分布式计算

Consensus-Based Distributed Computation of Link-Based Network Metrics

Zheng Chen, Erik G. Larsson

摘要:

平均共识算法在分布式计算系统中有着广泛的应用。在分布式计算系统中,所有节点仅通过与其本地邻居交换信息就其初始状态的平均值达成一致。在这封信中,我们将研究基于链路的网络度量,这些度量是在网络中的链路上定义的成对节点属性的多项式函数。与基于节点的平均一致性不同,这种基于链路的度量依赖于节点属性的分布和底层网络拓扑。我们提出了一个通用的算法,使用加权平均共识协议的分布式计算基于链路的网络度量,并提供收敛条件和收敛速度分析。

英文摘要:

Average consensus algorithms have wide applications in distributed computing systems where all the nodes agree on the average value of their initial states by only exchanging information with their local neighbors. In this letter, we look into link-based network metrics which are polynomial functions of pair-wise node attributes defined over the links in a network. Different from node-based average consensus, such link-based metrics depend on both the distribution of node attributes and the underlying network topology. We propose a general algorithm using the weighted average consensus protocol for the distributed computation of link-based network metrics and provide the convergence conditions and convergence rate analysis.

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