TCP modification robust to packet reordering in ant routing networks

  • Authors:
  • Malgorzata Gadomska-Kudelska;Andrzej Pacut

  • Affiliations:
  • Institute of Control and Computation Engineering, Warsaw Univ. of Technology, Warsaw, Poland;Institute of Control and Computation Engineering, Warsaw Univ. of Technology, Warsaw, Poland

  • Venue:
  • EvoCOMNET'10 Proceedings of the 2010 international conference on Applications of Evolutionary Computation - Volume Part II
  • Year:
  • 2010

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Abstract

In this paper a modification of the TCP protocol is proposed that improves its robustness to packet reordering in networks controlled by ant routing algorithms. In our approach the TCP sender builds models of packet end-to-end delay and every time a DUPACK is received it utilizes these models to calculate the probability that the packet will still arrive at the receiver. Based on this probability the decision is made whether or not to retransmit the packet. The advantages of our approach are proved in a set of simulations.