Approximation models for the evaluation of TCP/AQM networks

Authors

  • Dariusz Marek Faculty of Automatic Control, Electronics and Computer Science, Department of Distributed Systems and Informatic Devices, Silesian University of Technology, Akademicka 16, 44-100 Gliwice, Poland https://orcid.org/0000-0002-4074-8502
  • Adam Domański Faculty of Automatic Control, Electronics and Computer Science, Department of Distributed Systems and Informatic Devices, Silesian University of Technology, Akademicka 16, 44-100 Gliwice, Poland https://orcid.org/0000-0002-9452-8361
  • Joanna Domańska Institute of Theoretical and Applied Informatics, Polish Academy of Sciences, Bałtycka 5, 44-100 Gliwice, Poland https://orcid.org/0000-0002-1935-8358
  • Jakub Szyguła Faculty of Automatic Control, Electronics and Computer Science, Department of Distributed Systems and Informatic Devices, Silesian University of Technology, Akademicka 16, 44-100 Gliwice, Poland https://orcid.org/0000-0002-5728-6105
  • Tadeusz Czachórski Institute of Theoretical and Applied Informatics, Polish Academy of Sciences, Bałtycka 5, 44-100 Gliwice, Poland https://orcid.org/0000-0001-7158-0258
  • Jerzy Klamka Institute of Theoretical and Applied Informatics, Polish Academy of Sciences, Bałtycka 5, 44-100 Gliwice, Poland https://orcid.org/0000-0003-1574-9826
  • Katarzyna Filus Institute of Theoretical and Applied Informatics, Polish Academy of Sciences, Bałtycka 5, 44-100 Gliwice, Poland https://orcid.org/0000-0003-1303-9230

DOI:

https://doi.org/10.24425/bpasts.2022.141986

Keywords

Diffusion Approximation, Active Queue Management, congestion control, dropping packets, Fluid Flow Approximation, noninteger order PIγ controller, G/G/1/N queueing model

Abstract

The article proposes a model in which Diffusion Approximation is used to analyse the TCP/AQM transmission mechanism in a multinode computer network. In order to prevent traffic congestion, routers implement AQM (Active Queue Management) algorithms. We investigate the influence of using RED-based AQM mechanisms and the fractional controller PIγ on the transport layer. Additionally, we examine the cases in which the TCP and the UDP flows occur and analyse their mutual influence. Both transport protocols used are independent and work simultaneously. We compare our solution with the Fluid Flow approximation, demonstrating the advantages of Diffusion Approximation.

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Published

2022-06-30

How to Cite

Marek, Dariusz, et al. “Approximation Models for the Evaluation of TCP AQM Networks”. Bulletin of the Polish Academy of Sciences Technical Sciences, vol. 70, no. 4, June 2022, p. e141986, doi:10.24425/bpasts.2022.141986.

Issue

Vol. 70 No. 4 (2022)

Section

Articles

License

Copyright (c) 2026 Bulletin of the Polish Academy of Sciences Technical Sciences

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

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