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多属性决策的IPv6移动网络路由选择算法

DOI: 10.3969/j.issn.1006-7043.201304004

Keywords: IPv6网络, 负载均衡, 路由算法, 多宿移动网络, 多属性决策

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Abstract:

针对IPv6多宿移动网络容易出现数据流集中于少数移动路由器节点,从而导致负载过重问题,提出了一种基于多属性决策的负载均衡路由选择算法。通过引入移动路由器节点的带宽、丢包率、挂载节点个数等多个决策属性信息,使用组合赋权法计算各决策属性的权重,建立了多属性决策模型,移动节点依据该决策模型选择最优的移动路由器节点来转发数据。该算法综合考虑移动网络负载分布状况及节点数据类型,合理分配数据流量,可均衡全网络流量。仿真实验表明,该算法使移动网络流量得到控制,且网络延时降低约50%,网络整体性能得到了明显的改善,同时该算法代价小且具有良好的网络环境适应性。

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