Computer Engineering and Applications ›› 2010, Vol. 46 ›› Issue (11): 98-100.DOI: 10.3778/j.issn.1002-8331.2010.11.029

• 网络、通信、安全 • Previous Articles     Next Articles

Method for internal link loss inference in IP networks

XU Yi-long1,2,HUANG Cheng-bo1   

  1. 1.Shenzhen Institute of Information Technology,Shenzhen,Guangdong 518029,China
    2.College of Information Engineering,Shenzhen University,Shenzhen,Guangdong 518060,China
  • Received:2008-10-06 Revised:2008-12-22 Online:2010-04-11 Published:2010-04-11
  • Contact: XU Yi-long

网络内部链路报文丢失率的推测

徐益龙1,2,黄程波1   

  1. 1.深圳信息职业技术学院,广东 深圳 518029
    2.深圳大学 信息工程学院,广东 深圳 518060
  • 通讯作者: 徐益龙

Abstract: This paper presents a method to infer internal link loss characteristics.This method uses passive end-to-end measurement to obtain path Cumulant Generating Function(CGF).Using path CGF,link CGF can be inferred,so link loss rate can be computed from link CGF.Based on Chernoff bound formulation and the link statistical information preserved in link CGF,this method can identify the link with severe loss rate and locate the bottleneck link.The simulation results demonstrate that this method is efficient.

Key words: network measurement, Cumulant Generating Function(CGF), loss inference

摘要: 提出了一种网络内部链路报文丢失率的推测方法。利用端到端测量得到的路径累积生成函数,可以推测链路的累积生成函数,从而得到链路的报文丢失率。基于链路累积生成函数保留的统计信息,运用切尔洛夫界限定理,可以判断报文丢失严重的链路,从而判断链路瓶颈。仿真实验结果验证了方法的有效性。

关键词: 网络测量, 累积生成函数, 丢包率推测

CLC Number: