Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/2744
Title: DASH-QoS: A scalable network layer service differentiation architecture for DASH over SDN
Authors: Sayit, Müge
Çetinkaya, Cihat
Yıldız, Hüseyin Uğur
Tavlı, Bülent
Keywords: HTTP streaming
service classes
openflow
MIP
heuristics
Issue Date: May-2019
Publisher: Elsevier B.V.
Source: Sayit, M., Cetinkaya, C., Yildiz, H. U., and Tavli, B. (2019). DASH-QoS: A scalable network layer service differentiation architecture for DASH over SDN. Computer Networks, 154, 12-25.
Abstract: As one of the key technologies residing in the future Internet concepts, Software Defined Networking (SDN) makes it possible to develop application-centric flow routing strategies. Thanks to the benefits offered by the SDN architecture, the performance of multimedia communication applications can be improved by developing application-centric flow routing strategies. Recently, MPEG-DASH standard which allows rate adaptation over HTTP has become popular. In this work, we present an architecture that provides increase in received quality of DASH clients running over an SDN domain. Within this architecture, we propose an optimization model which determines the streaming paths of the video packets of the clients. We also define different types of user classes and provide a guaranteed service and fairness among the users of the same class. Furthermore, we created a heuristic algorithm to facilitate the scalability of the solution. The simulation results show that, by considering the output of the optimization model and dynamically changing the routing paths in an ISP, the video quality offered to the DASH clients is significantly improved and a certain level of service guarantee is provided. (C) 2019 Published by Elsevier B.V.
URI: https://hdl.handle.net/20.500.11851/2744
https://www.sciencedirect.com/science/article/pii/S1389128618309241?via%3Dihub
ISSN: 1389-1286
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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