Istituto di Informatica e Telematica     
Anastasi G., Ancillotti E., Conti M., Passarella A. TPA: A Transport Protocol for Ad hoc Networks. In: 10th IEEE Symposium on Computers and Communications (Cartagena (Spagna), 27-30 June 2005). Proceedings, pp. 51 - 56. IEEE, 2005.
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.
DOI: 10.1109/ISCC.2005.147
Subject ad-hoc networks
communication system control
energy consumption
C.2.1 [Computer-Communication Networks]: Network Architecture and DesignóWireless communication

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