Netest: A Tool to Measure the Maximum Burst Size, Available Bandwidth and Achievable Throughput

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Distinguishing available bandwidth and achievable throughput is essential for improving network applications' performance. Achievable throughput is the throughput considering a number of factors such as network protocol, host speed, network path, and TCP buffer space, where as available bandwidth only considers the network path. Without understanding this difference, trying to improve network applications' performance is like ''blind men feeling the elephant'' [4]. In this paper, we define and distinguish bandwidth and throughput, and debate which part of each is achievable and which is available. Also, we introduce and discuss a new concept - Maximum Burst Size that is crucial to ... continued below

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Jin, Guojun & Tierney, Brian January 31, 2003.

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Distinguishing available bandwidth and achievable throughput is essential for improving network applications' performance. Achievable throughput is the throughput considering a number of factors such as network protocol, host speed, network path, and TCP buffer space, where as available bandwidth only considers the network path. Without understanding this difference, trying to improve network applications' performance is like ''blind men feeling the elephant'' [4]. In this paper, we define and distinguish bandwidth and throughput, and debate which part of each is achievable and which is available. Also, we introduce and discuss a new concept - Maximum Burst Size that is crucial to the network performance and bandwidth sharing. A tool, netest, is introduced to help users to determine the available bandwidth, and provides information to achieve better throughput with fairness of sharing the available bandwidth, thus reducing misuse of the network.

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OSTI as DE00816771

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  • International Conference on Information Technology: Research and Education, Newark, NJ (US), 08/10/2003--08/13/2003

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  • Report No.: LBNL--48350
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 816771
  • Archival Resource Key: ark:/67531/metadc740527

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  • January 31, 2003

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  • Oct. 18, 2015, 6:40 p.m.

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  • April 4, 2016, 3:28 p.m.

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Jin, Guojun & Tierney, Brian. Netest: A Tool to Measure the Maximum Burst Size, Available Bandwidth and Achievable Throughput, article, January 31, 2003; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc740527/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.