Performance evaluation of TcpHas: TCP for HTTP adaptive streaming

Chiheb Ben Ameur 1 Emmanuel Mory 2 Bernard Cousin 3 Eugen Dedu 4
3 ADOPNET - Advanced technologies for operated networks
UR1 - Université de Rennes 1, IMT Atlantique - IMT Atlantique Bretagne-Pays de la Loire, IRISA-D2 - RÉSEAUX, TÉLÉCOMMUNICATION ET SERVICES
Abstract : HTTP adaptive streaming (HAS) is a widely used video streaming technology that suffers from a degradation of user’s Quality of Experience (QoE) and network’s Quality of Service (QoS) when many HAS players are sharing the same bottleneck link and competing for bandwidth. The two major factors of this degradation are: the large OFF period of HAS, which causes false bandwidth estimations, and the TCP congestion control, which is not suitable for HAS given that it does not consider the different video encoding bitrates of HAS. This paper proposes a HAS-based TCP congestion control, TcpHas, that minimizes the impact of the two aforementioned issues. It does this using traffic shaping on the server. Simulations indicate that TcpHas improves both QoE, mainly by reducing instability and convergence speed, and QoS, mainly by reducing queuing delay and packet drop rate.
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Chiheb Ben Ameur, Emmanuel Mory, Bernard Cousin, Eugen Dedu. Performance evaluation of TcpHas: TCP for HTTP adaptive streaming. Multimedia Systems, Springer Verlag, 2018, 24 (5), pp.491 - 508. ⟨hal-02182801⟩

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