iDASH: improved dynamic adaptive streaming over HTTP using scalable video coding

  • Authors:
  • Yago Sánchez de la Fuente;Thomas Schierl;Cornelius Hellge;Thomas Wiegand;Dohy Hong;Danny De Vleeschauwer;Werner Van Leekwijck;Yannick Le Louédec

  • Affiliations:
  • Fraunhofer HHI, Berlin, Germany;Fraunhofer HHI, Berlin, Germany;Fraunhofer HHI, Berlin, Germany;Fraunhofer HHI, Berlin, Germany;N2N SOFT, PARIS, France;Bell Labs - Alcatel Lucent, Belgium;Bell Labs - Alcatel Lucent, Belgium;Orange-FT, France

  • Venue:
  • MMSys '11 Proceedings of the second annual ACM conference on Multimedia systems
  • Year:
  • 2011

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Abstract

HTTP-based delivery for Video on Demand (VoD) has been gaining popularity within recent years. Progressive Download over HTTP, typically used in VoD, takes advantage of the widely deployed network caches to relieve video servers from sending the same content to a high number of users in the same access network. However, due to a sharp increase in the requests at peak hours or due to cross-traffic within the network, congestion may arise in the cache feeder link or access link respectively. Since the connection characteristics may vary over the time, with Dynamic Adaptive Streaming over HTTP (DASH), a technique that has been recently proposed, video clients may dynamically adapt the requested video quality for ongoing video flows, to match their current download rate as good as possible. In this work we show the benefits of using the Scalable Video Coding (SVC) for such a DASH environment.