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Study of a non intrusive and accurate method for measuring the end-to-end useful bandwidth

Mathieu Goutelle 1 Pascale Primet 2 
1 RESO - Protocols and softwares for very high-performance network
Inria Grenoble - Rhône-Alpes, ENS Lyon - École normale supérieure - Lyon, CNRS - Centre National de la Recherche Scientifique : UMR5668
Abstract : Studies and tools development for applications sensitive to data rates is a very active research field for distributed application performance optimization. The research community works to propose tools for measuring the end-to-end performance of a link between two hosts. Delay measurements provide a first approximation but aren't sufficient enough because the delay isn't a relevant metric. A bandwidth evaluation method would give a more realistic view of the raw capacity but also of the dynamic behaviour of the interconnection, when we want to evaluate the transfer time of an amount of data. Among all the existing methods, there are some differences according to the measurements strategies and the evaluated metric. We first describe the available bandwidth measurements and then the total capacity measurements approaches. Among all the presented methods, none of them can evaluate both metrics, while giving an overview of the link topology. By using a hop-by-hop packet pair method, we show that we can provide such informations with a fine analysis of the measurements. In this report, we detail our proposition of a solution for an hop-by-hop measurement of the capacity and available bandwidth. This method has been validated in simulation, then implemented in Linux and validated experimentally. We compare this method with others to define its limits and the future utilisations on the newly developed tool.
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Submitted on : Tuesday, May 23, 2006 - 6:18:36 PM
Last modification on : Friday, February 4, 2022 - 3:15:57 AM


  • HAL Id : inria-00071620, version 1



Mathieu Goutelle, Pascale Primet. Study of a non intrusive and accurate method for measuring the end-to-end useful bandwidth. [Research Report] RR-4959, INRIA, LIP. 2003, pp.LIP RR-2003-48. ⟨inria-00071620⟩



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