基于占用率预测的QoS连接状态信息发布策略及其仿真研究

山东大学学报(工学版)

基于占用率预测的QoS连接状态信息发布策略及其仿真研究

肖海荣¹,周风余²,邢顺来¹宋洪军²,罗晓²,刘涛²

1. 山东交通学院信息工程系，山东济南250023；2. 山东大学控制学院，山东济南250061

收稿日期:2005-10-29 修回日期:1900-01-01 出版日期:2006-12-24 发布日期:2006-12-24
通讯作者: 肖海荣

QoS link state advertisement policy and its simulation studies based on utilization prediction

XIAO Hai-rong,ZHOU Feng-yu,SONG Hong-jun,LUO Xiao,LIU Tao

1. Department of Information Engineering,Shandong Jiaotong University,Jinan 250023,China;2.School of Control Science and Engineering,Shandong University,Jinan 250061,Chin

Received:2005-10-29 Revised:1900-01-01 Online:2006-12-24 Published:2006-12-24
Contact: XIAO Hai-rong

摘要/Abstract

摘要： 提出了应用流量钳制方法，来控制网络内QoS路由的连接状态信息（LSA）发布量.仿真实验证明：在同样的LSA发布量情况下，与目前较为应用较为广泛的时间钳制方法相比，它可以获得更低的连结失败率和更高的资源利用率.根据流量钳制的特点，提出一种改进算法-占用率预测.实验证明该策略应用于流量钳制和时间钳制时，流量钳制获得了比后者更加明显的性能改善.

关键词: 连接状态发布策略, 路由信息不准确, 网络服务质量

Abstract: A clampdown traffic method is proposed to control the volume of QoS link state advertisement(LSA). The simulation results prove that by using the clampdown traffic method, the higher network utilization efficiency and lower rate of link failures can be obtained, comparing with the currently used clampdown time method for the same LSA. Furthermore, a new method utilization prediction is proposed based on the characteristic of clampdown traffic method. The results show that the clampdown traffic method gets more characteristic improvements than the clampdown timer method when using the utilization prediction.

Key words: inaccurate routing information, QoS , LSA

肖海荣,周风余,邢顺来,宋洪军,罗晓,刘涛 . 基于占用率预测的QoS连接状态信息发布策略及其仿真研究[J]. 山东大学学报(工学版), 2006, 36(6): 46-50 .

XIAO Hai-rong,ZHOU Feng-yu,SONG Hong-jun,LUO Xiao,LIU Tao . QoS link state advertisement policy and its simulation studies based on utilization prediction[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2006, 36(6): 46-50 .

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