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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Rapport
RR-3574, INRIA. 1998
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Dernière modification le : samedi 27 janvier 2018 - 01:30:56
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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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