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TPA: a transport protocol for ad hoc networks

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4 Author(s)
G. Anastasi ; Dept. of Inf. Eng., Pisa Univ., Italy ; E. Ancillotti ; M. Conti ; A. Passarella

Several previous works have shown that TCP exhibits poor performance in mobile ad hoc networks (MANETs). The ultimate reason for this is that MANETs behave in a significantly different way from traditional wired networks, like the Internet, for which TCP was originally designed. In this paper we propose a novel transport protocol - named TPA - specifically tailored to the characteristics of the MANET environment. It is based on a completely new congestion control mechanism, and designed in such a way to minimize the number of useless transmissions and, hence, power consumption. Furthermore, it is able to manage efficiently route changes and route failures. We evaluated the TPA protocol in a static scenario where TCP exhibits good performance. Simulation results show that, even in such a scenario, TPA significantly outperforms TCP.

Published in:

10th IEEE Symposium on Computers and Communications (ISCC'05)

Date of Conference:

27-30 June 2005