| 避免分组丢失切换方法 |
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| 引用本文： | 余旭涛,王霄峻,毕光国.避免分组丢失切换方法[J].东南大学学报,2003,19(3):212-215. |
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| 作者姓名： | 余旭涛 王霄峻 毕光国 |
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| 作者单位： | 东南大学移动通信国家重点实验室，南京210096 |
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| 摘 要： | 针对基本移动IP协议虽然简单但只适用于大范围、低速的情况，提出了一种新的微观移动IP切换方法——避免分组丢失切换方法．该切换方法通过在基站处增加缓存以及利用IP分组的标识，将切换过程中分组丢失减少至最小．并给出了该切换方法所适用的分层全IP网络结构及其切换过程，对基站缓存的大小、切换带来的网络负荷、切换延时等也进行了分析．仿真和分析结果表明最小分组丢失切换方法适用于快速移动、频繁切换的环境．
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| 关 键 词： | IP网络 移动IP协议 避免分组丢失切换方法 切换延时 网络负荷 网络结构 IP分组 |
A packet loss avoidance handoff scheme |
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| Yu Xutao,Wang Xiaojun,Bi Guangguo.A packet loss avoidance handoff scheme[J].Journal of Southeast University(English Edition),2003,19(3):212-215. |
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| Authors: | Yu Xutao Wang Xiaojun Bi Guangguo |
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| Abstract: | The basic mobile IP protocol is simple but only suitable for wide area and low speed networks. In this paper, we propose a novel micro-mobile IP handoff scheme, that is the packet loss avoidance handoff scheme. By using an additional cache at the base station and distinguishing packets with packet IDs, the proposed scheme minimizes the number of lost packets during handoff. Network architecture and detailed handoff procedures are given. We also analyze the cache size at the base station, the associated network load with the handoff procedure, and the handoff delay. The scheme is investigated by computer simulations. Simulation results show that the proposed scheme is suitable for environments with fast mobility and frequent handoff. |
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| Keywords: | handoff mobile IP domain analysis and handoff delay packet loss |
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