This paper studies the scenario of providing smooth adaptive playback for dynamic video streaming over HTTP in constrained networks. We propose and evaluate a bandwidth control loop programmed into a new management service operating over an SDN controller. Experimental results based on emulation show that the proposed low-complexity solution reduces the number of times a DASH video client switches among the diverse video representations, thus enhancing the video quality presented at each client, despite unfair competitive UDP traffic.

The authors acknowledge the support of Fundação para a Ciência e Tecnologia, under the project UID/EEA/50008/2019.

Video Streaming,SDN,DASH,QoE

• Ciências da Computação e da Informação - Ciências Naturais
• Engenharia Eletrotécnica, Eletrónica e Informática - Engenharia e Tecnologia