Terminal-side QoE estimations for cross-layer network control: towards a user-centric approach to network management

  • Authors:
  • Martín Varela;Jukka-Pekka Laulajainen

  • Affiliations:
  • VTT Technical Research Centre of Finland;VTT Technical Research Centre of Finland

  • Venue:
  • WWIC'11 Proceedings of the 9th IFIP TC 6 international conference on Wired/wireless internet communications
  • Year:
  • 2011

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Abstract

While the layered OSI model for networks provides a very clean conceptual framework for network design, certain applications are not completely indifferent to what happens at the lower layers. This is particularly true for multimedia and other real-time applications, which usually have stringent constraints on network performance in order to deliver an acceptable Quality of Experience (QoE) to the user. Several cross-layer approaches for optimizing application quality have been proposed in the literature. In this paper we show how by combining network QoS measurements and application-level knowledge, significant improvements can be made to current management solutions.