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Performability Analysis of an Adaptive-Rate Video-Streaming Service in End-to-End QoS Scenarios

  • I. V. Martín
  • J. J. Alins
  • Mónica Aguilar-Igartua
  • Jorge Mata-Díaz
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3775)

Abstract

Nowadays, dynamic service management frameworks are proposed to ensure end-to-end QoS. To achieve this goal, it is necessary to manage Service Level Agreements (SLAs), which specify quality parameters of the services operation such as availability and performance. This work is focused on the evaluation of Video-on-Demand (VoD) services in end-to-end QoS scenarios. Based on a straightforward Markov Chain, Markov-Reward Chain (MRC) models are developed in order to obtain various QoS measures of an adaptive VoD service. The MRC model has a clear understanding with the design and operation of the VoD system. In this way, new design options can be proposed and be easily evaluated. To compute performability measures of the MRC model, the randomization method is employed. Predicted model results fit well to the ones taken from a real video-streaming testbed.

Keywords

Video Sequence Network Resource Service Level Agreement Video Server Video Source 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© IFIP International Federation for Information Processing 2005

Authors and Affiliations

  • I. V. Martín
    • 1
  • J. J. Alins
    • 1
  • Mónica Aguilar-Igartua
    • 1
  • Jorge Mata-Díaz
    • 1
  1. 1.Telematics Engineering DepartmentTechnical University of Catalonia (UPC)BarcelonaSpain

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