Analysis and evaluation of link capacity estimation tools

Authors:
Dong-Yan Zhang;Meng-Zeng Hu;Dong-Hui Fang
Affiliations:
Research Center of Computer Network and Information Security Technology, Harbin Institute of Technology, Harbin, China;Research Center of Computer Network and Information Security Technology, Harbin Institute of Technology, Harbin, China;Research Center of Computer Network and Information Security Technology, Harbin Institute of Technology, Harbin, China
Venue:
ICECS'05 Proceedings of the 4th WSEAS international conference on Electronics, control and signal processing
Year:
2005

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Abstract

Bottleneck link capacity tools or methods can be used according to different application requirements. Some applications require not only measurement accuracy but also very short sampling time and high sampling frequency. In the paper, first, we decribe the principles of some concepts according to the literatures. Next we introduce the techniques of PPTD. At last, we choose the three tools that are using the techniques of PPTD for compare and analysis. These tools are all used to measure bottleneck link capacity. We made experimental simulations to analyze tools from four aspects which are measurement accuracy, total probe traffic generated, total estimation time and stability. From the experiments, we find the Nettimer is the most accurate but with low probe bandwidth and short estimation time. The results also indicate that which tool is the best in different applications.