Uniform versus priority dropping for layered video

  • Authors:
  • Sandeep Bajaj;Lee Breslau;Scott Shenker

  • Affiliations:
  • Xerox Palo Alto Research Center, 3333 Coyote Hill Road, Palo Alto, CA;Xerox Palo Alto Research Center, 3333 Coyote Hill Road, Palo Alto, CA;Xerox Palo Alto Research Center, 3333 Coyote Hill Road, Palo Alto, CA

  • Venue:
  • Proceedings of the ACM SIGCOMM '98 conference on Applications, technologies, architectures, and protocols for computer communication
  • Year:
  • 1998

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Abstract

In this paper, we analyze the relative merits of uniform versus priority dropping for the transmission of layered video. We first present our original intuitions about these two approaches, and then investigate the issue more thoroughly through simulations and analysis in which we explicitly model the performance of layered video applications. We compare both their performance characteristics and incentive properties, and find that the performance benefit of priority dropping is smaller than we expected, while uniform dropping has worse incentive properties than we previously believed.