电光与控制, 2010, 17 (12): 20, 网络出版: 2011-02-15  

一种AFDX网络虚拟链路的路由配置算法

A Routing Algorithm of Virtual Link for Avionics Full Duplex Switched Ethernet Network
作者单位
北京航空航天大学电子信息工程学院, 北京 100191
摘要
针对航空电子全双工交换式以太网(AFDX)中,虚拟链路(VL)的静态路由配置,提出了一种配置算法:对所有VL按照最大可使用带宽从大到小的顺序进行配置;对当前VL的配置,将其最大可使用带宽预先计算到所有的链路利用率中,把基于负载均衡和最小跳数的加权代价函数嵌入Floyd-Warshall(FW)算法中,得到每对节点间的最小代价值和对应的路由路径;根据此结果,生成VL的次优最小代价树作为配置的路由。在OPNET平台上进行建模仿真,仿真结果验证了该算法的有效性。
Abstract
Virtual Link (VL) routing of Avionics Full Duplex Switched Ethernet (AFDX) Network employs static routing.An algorithm was proposed for the static routing configuration of all the VLs,which were configured from large to small in accordance with the size of VLs maximum usable bandwidth.In configuration of the current VL,each links utilization took current VLs maximum usable bandwidth into account,the cost function based on load balancing and minimum hops was embedded in Floyd-Warshall (FW) algorithm to compute the cost between each pair of nodes and record corresponding routing paths.Based on the result,a sub-optimal minimum cost tree was generated as the routing configuration of the current VL.Simulation results in OPNET platform prove the validity of the algorithm.

刘成, 何锋, 王彤, 周立. 一种AFDX网络虚拟链路的路由配置算法[J]. 电光与控制, 2010, 17(12): 20. LIU Cheng, HE Feng, WANG Tong, ZHOU Li. A Routing Algorithm of Virtual Link for Avionics Full Duplex Switched Ethernet Network[J]. Electronics Optics & Control, 2010, 17(12): 20.

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