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基于OSPF和非精确状态信息的QoS路由算法

QoS Routing Algorithm Based on OSPF and Inaccurate State Information
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摘要 针对IP网络庞大复杂且资源信息频繁动态变化的事实,提出了一种扩展OSPF路由协议以支持QoS路由的算法。该算法根据用户需求资源的不同,在OSPF域中预先计算出到达各目的节点的最优路径,同时生成一个新的路由表,并通过链路状态广播机制,动态更新该路由表,以达到在对现有OSPF协议影响最小的情况下,引入QoS机制的目的。 Considering the enormousness and complexity of IP networks and the frequently and dynamically changing of their resource information, this paper puts forward an algorithm extended from OSPF routing protocol to support QoS. According to the different resource requirement of users this algorithm pre-computes the most optimized path to each destination node in OSPF field, then builds a new route table. After that it updates that route table by link state broadcasting mechanism so as to introduce mechanism of QoS while minimizing the impact to current OSPF protocol.
作者 龙宇翔 田力 顾春 胡九川 张思东
机构地区 北京交通大学电子信息工程学院 北京工业大学 北京联合大学
出处 《航天控制》 CSCD 北大核心 2005年第4期56-59,69,共5页 Aerospace Control
基金 国家自然科学基金资助项目(602720121)
关键词 QOS 可用带宽 最短路径 OSPF协议 链路状态广播 QoS Available band width Shortest path OSPF protocol Link state broadcasting
分类号 TP393 [自动化与计算机技术—计算机应用技术]
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参考文献10

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二级参考文献12

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航天控制
2005年 第4期

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