QoS control for video and audio communication in conventional and active networks: Approaches and comparison

  • Authors:
  • Yan Bai;M. R. Ito

  • Affiliations:
  • Univ. of British Columbia, Vancouver, BC, Canada;-

  • Venue:
  • IEEE Communications Surveys & Tutorials
  • Year:
  • 2004

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Abstract

Various levels of Quality of Service (QoS) can be provided within a network by using integrated services, differentiated services, and active networking approaches. While these three approaches have been presented in several articles, comparison among them is lacking. Therefore, this article examines these three approaches for both their key functionality and their relative strengths and weaknesses of QoS control techniques for video and audio. Future research directions of each approach for supporting QoS for video and audio traffic are also discussed.