A Multi-state Congestion Control Scheme for Rate Adaptable Unicast Continuous Media Flows

  • Authors:
  • Pantelis Balaouras;Ioannis Stavrakakis

  • Affiliations:
  • -;-

  • Venue:
  • IWDC '01 Proceedings of the Thyrrhenian International Workshop on Digital Communications: Evolutionary Trends of the Internet
  • Year:
  • 2001

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Abstract

In this paper a multi-state rate adaptation scheme for rate adaptable continuous media (CM) sources is presented; the network bandwidth availability information is assumed to be communicated to the source only indirectly, through a notification of the packet losses. The developed scheme is capable of detecting and responding well to static (due to access bandwidth limitations) and long-term (due to initiation/termination of CM flows) bandwidth availability, as well as locking the rate of a CM flow to an appropriate value. Its performance is compared with that under a classic Additive Increase Multiplicative Decrease algorithm and its shown to perform better in terms of a number of relevant metrics, such as packet losses, oscillatory behavior, and fairness.