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| 采用泛播路由构建高效中继路由系统 |
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郑健平1,2, 李克勤3, 孙利民1, 吴志美1
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1.中国科学院,软件研究所,多媒体通信与网络工程研究中心,北京,100080;2.中国科学院,研究生院,北京,100080;3.朗讯科技,贝尔实验室中国基础科学研究院,北京,100080
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| 摘要: |
| 中继路由系统由一组中继路由器组成,为不能交换路由信息的路由域提供中继路由.该系统的关键是为路由域配置恰当的中继路由器.为所有中继路由器分配一个泛播地址,将它们当作一个逻辑节点,借助泛播路由以最短路径到达该逻辑节点.此外,采用源路由的方法将数据报文路由至中继路由器.基于泛播的中继路由系统实现了中继路由的自动配置,提高了中继路由的性能和可靠性,并且与现有网络系统兼容,实施代价很小. |
| 关键词: 泛播 中继路由 路由系统 |
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| 基金项目:Supported by the National Natural Science Foundation of China under Grant No60272078 (国家自然科学基金) |
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| The Use of Anycast Routing for Building Efficient Relay Routing System |
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ZHENG Jian-Ping,LI Ke-Qin,SUN Li-Min,WU Zhi-Mei
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| Abstract: |
| Relay routing system consists of a set of relay routers, providing relay routing for routing domains that cannot exchange routing information. The key point of the system is to configure appropriate relay router for routing domains. In this paper, all the relay routers are taken as a virtual node by assigning them an anycast address which is accessed along the shortest path by anycast routing. In addition, source routing is used to route the data packets to relay router. The anycast-based relay routing system enables auto-configuration of relay routing,improves the performance and the reliability of relay routing, and it is compatible with existing network infrastructure with quite low overhead. |
| Key words: anycast relay routing routing system |
