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Analysis of TCP in Networks with Small Buffering Capacity and Large Bandwidth-Delay Product

Abstract : It is well known that inefficiencies occur in the operation of TCP when the bandwidth delay product of the network is large compared to its buffering capacity. A central reason for that is a cyclic behavior of the protocol in which two consecutive slow-start phases appear in each cycle [5,1]. This results in low throughput and under-utilization of the available bandwidth. We show in this paper that, for an even larger ratio between the bandwidth-delay product and the buffer size, which is typical for satellite links, a new regime of three consecutive slow-start phases occurs. We need to refine previously studied models in order to explain this phenomeno- n. We analyze in this paper this phenomenon, predict when it occurs and evaluate the corresponding average throughput of the connection.
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https://hal.inria.fr/inria-00073107
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Submitted on : Wednesday, May 24, 2006 - 11:52:35 AM
Last modification on : Friday, February 4, 2022 - 3:18:50 AM
Long-term archiving on: : Sunday, April 4, 2010 - 11:34:30 PM

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  • HAL Id : inria-00073107, version 1

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Chadi Barakat, Eitan Altman. Analysis of TCP in Networks with Small Buffering Capacity and Large Bandwidth-Delay Product. RR-3574, INRIA. 1998. ⟨inria-00073107⟩

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