| 基于时延的移动IPv6路由优化机制 |
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| 引用本文： | 夏利,张君雅,刘代庆,常月.基于时延的移动IPv6路由优化机制[J].东北大学学报(自然科学版),2008,29(12):1706-1710. |
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| 作者姓名： | 夏利 张君雅 刘代庆 常月 |
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| 作者单位： | [1]东北大学信息科学与工程学院,辽宁沈阳110004 [2]东北大学机械工程与自动化学院,辽宁沈阳110004 |
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| 基金项目： | 国家自然科学基金资助项目(60773219); 辽宁省自然科学基金资助项目(20042012) |
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| 摘 要： | 路由优化是基于直接路径比间接路径理想的假设,但这个假设并非一定成立,而且路由优化还会引起数据包失序,降低网络性能.提出一种基于时延的移动IPv6路由优化机制.该机制通过对RRP过程中的HoT消息和CoT消息加盖时间戳,由移动节点测量直接路径和间接路径传输时延并决定是否进行路由优化.同时,通过在间接路径发送结束标识LAST消息及计时器机制避免路由优化产生的数据包失序.最后,通过仿真实验对本机制性能进行分析.
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| 关 键 词： | 移动IPv6 路由优化 三角路由 数据包失序 RRP过程 |
Delay-based Route Optimization Mechanism in Mobile IPv6 |
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| XIA Li,ZHANG Jun-ya,LIU Dai-qing,CHANG Yue.Delay-based Route Optimization Mechanism in Mobile IPv6[J].Journal of Northeastern University(Natural Science),2008,29(12):1706-1710. |
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| Authors: | XIA Li ZHANG Jun-ya LIU Dai-qing CHANG Yue |
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| Institution: | XIA Li1,ZHANG Jun-ya1,LIU Dai-qing2,CHANG Yue1(1.School of Information Science & Engineering,Northeastern University,Shenyang 10004,China,2.School of Mechanical Engineering & Automation,Shenyang 110004,China.) |
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| Abstract: | Route optimization which is a key technology to solve the problem of triangle routing in mobile IP is based on the assumption that the direct path from a correspondent node to a mobile node is more optimal than the indirect path.However,the assumption is not always the case,and the route optimization may lead lots of packets to be out-of-sequence and degrade the performance of networks.A delay-based route optimization mechanism in mobile IPv6 is therefore proposed to solve the problem,in which the HoT and C... |
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| Keywords: | mobile IPv6 route optimization triangle routing out-of-sequence packets RRP |
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