Network-assisted DASH by Utilizing Local Caches at Network Edge

Antti Heikkinen (Corresponding author)

    Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

    1 Citation (Scopus)

    Abstract

    In this paper, a solution for Dynamic Adaptive Streaming over HTTP(DASH), which utilizes local video caches available at the edge of the network is presented. The proposed solution uses Server and Network Assisted DASH(SAND) and edge computing solutions to provide an optimal Quality of Experience(QoE) for the end-user by utilizing locally cached content as much as possible. Utilization of cached content available at the edge of network reduces redundant traffic in the backhaul of access network and is useful especially in scenarios where the wireless backhaul is considered to be the bottleneck of end-to-end connection. The proposed solution introduces DASHassisting network elements(DANE), assisting signaling, and the assisting algorithm for network-assisted DASH streaming. In experiments with a deployed prototype implementation of the solution in Content Delivery Network(CDN) the number of quality switches reduced by 89% compared to without cache and by 86% compared to without DANE cases. The number of stalls during the playback reduced by 91% compared to without cache and by 93% compared to without DANE. The results show that more constant quality is achieved by the end-users while at the same time the usage of backhaul connection is minimized by utilizing locally available content when applicable.
    Original languageEnglish
    Title of host publication2018 26th International Conference on Software, Telecommunications and Computer Networks, SoftCOM 2018
    EditorsDinko Begusic, Matko Saric, Josko Radic, Nikola Rozic
    PublisherIEEE Institute of Electrical and Electronic Engineers
    Pages66-69
    Number of pages4
    ISBN (Electronic)978-9-5329-0087-3
    DOIs
    Publication statusPublished - 30 Nov 2018
    MoE publication typeNot Eligible
    Event26th International Conference on Software, Telecommunications and Computer Networks, SoftCOM 2018 - Split, Croatia
    Duration: 13 Sep 201815 Sep 2018

    Conference

    Conference26th International Conference on Software, Telecommunications and Computer Networks, SoftCOM 2018
    Abbreviated titleSoftCOM
    Country/TerritoryCroatia
    CitySplit
    Period13/09/1815/09/18

    Keywords

    • DANE
    • DASH
    • network assistance
    • SAND
    • video streaming

    Fingerprint

    Dive into the research topics of 'Network-assisted DASH by Utilizing Local Caches at Network Edge'. Together they form a unique fingerprint.

    Cite this