Segment‐aware dynamic routing for DASH flows over software‐defined networks

Cihat Cetinkaya, Korhan Herguner, Cornelius Hellge and Muge Sayit

International Journal of Network Management, 2020, vol. 30, issue 4

Abstract: Most of the video streaming applications running over the Internet send video data over HTTP and provide an architecture for video clients to adapt video quality during streaming. In HTTP adaptive streaming, a raw video is encoded at various qualities, each encoded video file is divided into small segments, and the clients may change the segment quality by sending requests for segments having different qualities over time. MPEG has standardized dynamic adaptive streaming over HTTP (MPEG‐DASH) due to this tendency. In this work, we focus on DASH over software‐defined networks (SDN), and we dynamically reroute DASH flows by considering the current network capacity, available bandwidth of the paths, and bitrate of the segments in order to provide high quality of experience (QoE) and fairness among DASH clients. Simulations performed under various network conditions show that the proposed study provides higher QoE and fairness compared with the max‐flow routing approach.

Date: 2020
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https://doi.org/10.1002/nem.2102

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Persistent link: https://EconPapers.repec.org/RePEc:wly:intnem:v:30:y:2020:i:4:n:e2102

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