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Zhao Jin, Chen Ming. Measuring Asymmetric Link Bandwidth[J]. Journal of University of Electronic Science and Technology of China, 2002, 31(4): 404-408.
Citation: Zhao Jin, Chen Ming. Measuring Asymmetric Link Bandwidth[J]. Journal of University of Electronic Science and Technology of China, 2002, 31(4): 404-408.
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Measuring Asymmetric Link Bandwidth

  • 1.

    Institute of Communications Engineering,PLA University of Science and Techrologe Nanjing 210007

  • Received Date: 2002-02-05
  • Publish Date: 2002-08-15
  • By studying the construction of the RTT latency, alinear expression between the RTT latency and the packet size is presented. Then pathchar,traditional bandwidth measurement algorithm,based on the relationship between the RTT latency and the packet size, is analyzed particularly. But pathchar can not measure the asymmetric link bandwidth. To solve this problem, Asy_pathchar, a new algorithm, is put forward, which can measure each hop's link bandwidth in both directions in an IP network using the UDP packet and ICMP packet.Finally an experiment is given to validate the new algorithm.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Measuring Asymmetric Link Bandwidth

  • 1. Institute of Communications Engineering,PLA University of Science and Techrologe Nanjing 210007
  • Received Date: 2002-02-05
  • Publish Date: 2002-08-15

Abstract: By studying the construction of the RTT latency, alinear expression between the RTT latency and the packet size is presented. Then pathchar,traditional bandwidth measurement algorithm,based on the relationship between the RTT latency and the packet size, is analyzed particularly. But pathchar can not measure the asymmetric link bandwidth. To solve this problem, Asy_pathchar, a new algorithm, is put forward, which can measure each hop's link bandwidth in both directions in an IP network using the UDP packet and ICMP packet.Finally an experiment is given to validate the new algorithm.

Zhao Jin, Chen Ming. Measuring Asymmetric Link Bandwidth[J]. Journal of University of Electronic Science and Technology of China, 2002, 31(4): 404-408.
Citation: Zhao Jin, Chen Ming. Measuring Asymmetric Link Bandwidth[J]. Journal of University of Electronic Science and Technology of China, 2002, 31(4): 404-408.
shu

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