TPA: A Transport Protocol for Ad Hoc Networks

  • Authors:
  • G. Anastasi;E. Ancillotti;A. Passarella

  • Affiliations:
  • University of Pisa;University of Pisa and CNR-IIT Institute;University of Pisa

  • Venue:
  • ISCC '05 Proceedings of the 10th IEEE Symposium on Computers and Communications
  • Year:
  • 2005

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Abstract

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 驴 named TPA 驴 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.