社会化延迟容忍网络中基于分簇与位置的路由协议
首发时间:2012-03-16
摘要:针对延迟容忍网络(Delay-Tolerant Network,DTN)的社会化网络场景,本文提出了一种移动性辅助路由协议--基于分簇与位置的路由(Cluster and Location based Routing,CLR)。在CLR协议中,快速移动节点收集与普通节点的历史相遇位置信息,计算普通节点之间的距离,为普通节点分簇,并充当簇之间的通信桥梁;簇内通信采用基于距离的贪婪算法。仿真结果表明,CLR协议在保证网络性能的同时能显著减少网络负载。
关键词: 计算机系统结构 延迟容忍网络 社群效应 历史相遇位置信息 分簇 网络负载
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Cluster and Location Based Routing Protocol for Socialized Delay-Tolerant Networks
Abstract:Aiming at improving the transfer efficiency for Delay-Tolerant Network (DTN) with social feature, one mobility-assisted routing protocol, i.e. Cluster and Location based Routing (CLR), is proposed. In the protocol, the fast moving nodes collect the historical meeting position information of the static nodes, calculate the distance, divide the static nodes into clusters, and act as communication bridges between clusters. In cluster, communication is based on the greedy algorithm of distance. Simulation results show that the strategies used in CLR improve the performance of network and reduce the network load.
Keywords: Computer Architecture Delay tolerance network Community effect Historical meeting position information Clustering Network load
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