Abstract
In this chapter, it is shown that the admission control routine in Flow-Aware Networks may lead to severe fair rate degradation, which negatively impacts the performance of streaming applications. The chapter starts by showing the problem and its effects on transmission performance in detail. Next, several ways of solving it are presented. Since admitting too many flows is the problem, all the solutions presented in the chapter revolve around limiting the number of flows that a router can admit in a certain amount of time. These solutions improve QoS assurance capabilities of FAN and enhance its scalability.
It is the quality rather than the quantity that matters.
Lucius Annaeus Seneca
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- 1.
By ‘active flow’ we mean a flow whose flow id is on the PFL list.
- 2.
Although the method of estimating the fair rate in FAN cannot be applied to original IP networks, the fair rate in this case has the same meaning, i.e., the bitrate available to each flow.
- 3.
From the Latin meaning ‘this for that.’
Reference
A. Jajszczyk and R. Wojcik, “Emergency calls in flow-aware networks”, Communications Letters, IEEE, vol. 11, no. 9, pp. 753–755, September 2007.
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© 2015 Springer International Publishing Switzerland
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Domżał, J., Wójcik, R., Jajszczyk, A. (2015). Service Differentiation in FAN. In: Guide to Flow-Aware Networking. Computer Communications and Networks. Springer, Cham. https://doi.org/10.1007/978-3-319-24975-9_7
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DOI: https://doi.org/10.1007/978-3-319-24975-9_7
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