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Research on Digital Fountain based Communication Protocol (DFCP)

We are a research group of the High Speed Networks Laboratory (HSNLab) hosted by the Department of Telecommunications and Media Informatics (TMIT) at Budapest University of Technology and Economics (BME). Our team has been working on a new concept for data transmission in future networks.

The research history of congestion control protocols has unveiled that it is difficult to find an optimal solution, which meets all the challenges of the evolving Internet. In this research we deal with the idea of omitting congestion control (TCP) and suggest a novel transport protocol (Digital Fountain based Communication Protocol, DFCP) with a network architecture where an efficient digital fountain based erasure coding scheme plays the role of correcting packet loss and fair queueing provides fair bandwidth sharing. In order to deeply understand whether Future Internet can operate without congestion control and rely on rateless codes, a comprehensive analysis is needed both in theory and practice. Therefore, we investigate the analytical aspects of our proposal and its applicability in real networks through testbed measurements and simulations.

Active topics

Members of the group

  • Dr. Sándor Molnár, associate professor
  • Dr. Balázs Sonkoly, assistant professor
  • Zoltán Móczár, Ph.D. student
  • Szilárd Solymos, M.Sc. student
  • Tamás Csicsics, M.Sc. student
  • Gábor Lukács, M.Sc. student
  • Máté Farkas, B.Sc. student
  • Dániel Abonyi, B.Sc. student
  • Gábor Zóber, B.Sc. student
  • Róbert Sajtos, B.Sc. student

Publications and related work

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