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Virtualized Cache Placement in an SDN/NFV Assisted SAND Architecture

Clayman, S; Kalan, RS; Sayit, M; (2018) Virtualized Cache Placement in an SDN/NFV Assisted SAND Architecture. In: Proceedings of IEEE International Black Sea Conference on Communications and Networking 2018 (BlackSeaCom 2018). IEEE: Batumi, Georgia. (In press). Green open access

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Abstract

Web-caches play an important role in the architecture of a Dynamic Adaptive Streaming over HTTP (DASH) system, which can bring video files near to the clients. In such systems, the placement of the caches affects the performance of the video streaming applications. In this paper we select the optimal network nodes for cache placement by taking into account characteristics such as the bandwidth of the paths, the places, and the number of the online clients, for a given network graph. For this purpose, we use a placement algorithm which is enhanced version of the Pressure algorithm proposed by Clegg which we call PressureCache, in an implementation of virtualized DASH Aware Network Elements (vDANEs). The results show that the proposed approach gives better performance in terms of received quality than random cache placement.

Type: Proceedings paper
Title: Virtualized Cache Placement in an SDN/NFV Assisted SAND Architecture
Event: IEEE International Black Sea Conference on Communications and Networking (BlackSeaCom 2018)
Location: Batumi, georgia
Open access status: An open access version is available from UCL Discovery
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: http://discovery.ucl.ac.uk/id/eprint/10051477
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