路由重分发中次优路径的解决方案 |
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引用本文: | 蒋骏午,于晨洋,张力,金艳云,马忠元.路由重分发中次优路径的解决方案[J].南通大学学报(自然科学版),2012,11(3):1-4. |
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作者姓名: | 蒋骏午 于晨洋 张力 金艳云 马忠元 |
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作者单位: | 1. 美国纽约理工学院-南京邮电大学海外教育学院,江苏南京,210041 2. 南通大学理学院,江苏南通,226007 3. 南京大学电子科学与工程学院,江苏南京,210093 |
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基金项目: | 国家自然科学基金项目(61071008);江苏省国际合作项目(BZ2010068);中央高校基本科研业务费专项基金项目(1095021030,1116021004) |
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摘 要: | 在大型网络中由于采用多种路由协议,必须开启路由器的重分发功能。但是路由重分发可能产生次优路径问题,为解决次优路径问题,通过对利用图形化网络环境模拟器GNS3建立的双向重分发模拟实验网络环境进行研究,分析管理距离值对多协议路由环境下路由选择的影响,设计了两种纠正次优路径的系统解决方案,方案一直接使用distance命令来修改某个协议的管理距离值;方案二利用访问控制列表针对某条路由精确地更改管理距离值,结果表明两种方案都能有效避免路由重分发中次优路径的产生。
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关 键 词: | 路由 双向重分发 次优路径 管理距离值 |
Solution of Sub-optimal Path Caused by Route Redistribution |
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Authors: | JIANG Jun-wu YU Chen-yang ZHANG Li JIN Yan-yun MA Zhong-yuan |
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Institution: | 1.College of Overseas Education,New York Institute of Technology,Nanjing Campus(NYIT-NUPT) and Nanjing University of Posts and Telecommunications,Nanjing 210041,China; 2.School of Electronic Science and Engineering,Nanjing University,Nanjing 210093,China; 3.School of Sciences,Nantong University,Nantong 226007,China) |
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Abstract: | The route redistribution function is suggested to be started,because of running multiple routing protocols in large networks.However,the route redistribution may produce the trouble of the sub-optimal path.In order to solve the problem of sub-optimal path,in this study,a two-way redistribution simulation network environment with GNS3(Graphical Network Simulator) is presented and the effect of the administrative distance on routing in multi-protocol routing environment is analyzed.Two solutions to correct sub-optimal path on the base of the above analysis are designed,which can also help to avoid the generation of sub-optimal path in route redistribution in the real network environment. |
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Keywords: | route two-way route redistribution sub-optimal path administrative distance |
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