Abstract
Fairness may be perceived in many ways. For example, best effort transmission is fair because each packet has the same chance of being transmitted. In FAN, each flow is assigned the same rate, which is also fair. However, in current networks we need more sophisticated fairness. Multi-flow applications (e.g., P2P) may overload access networks and result in bandwidth per flow being very low. Such P2P flows may consume almost all bandwidth and the quality of transmission of the remaining traffic may be drastically deteriorated. This brief discussion shows that fairness per flow may not be the best solution. In this chapter, we demonstrate a new approach to assuring fairness in Flow-Aware Networking. We show and evaluate two approaches to improve fairness in FAN. One, already known from the literature, which is based on altering the admission control routine. The other, presented in this chapter, with a redesigned scheduling mechanism. Evaluation shows that a new concept of fairness provides utterly fair resource distribution regardless of the behaviour of users.
Auditur et altera pars. (The other side shall be heard as well.)
— Lucius Annaeus Seneca, Medea
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Acknowledgement
The authors would like to thank Piotr Gawłowicz for his support, valuable comments and suggestions on improving the quality of this chapter.
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Domżał, J., Wójcik, R., Jajszczyk, A. (2020). Fairness in FAN. In: Guide to Flow-Aware Networking. Computer Communications and Networks. Springer, Cham. https://doi.org/10.1007/978-3-030-57153-5_5
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DOI: https://doi.org/10.1007/978-3-030-57153-5_5
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