Network Bandwidth Allocation and Admission Control for a Continuous Media File Server

  • Authors:
  • Dwight J. Makaroff;Gerald W. Neufeld;Norman C. Hutchinson

  • Affiliations:
  • -;-;-

  • Venue:
  • IDMS '99 Proceedings of the 6th International Workshop on Interactive Distributed Multimedia Systems and Telecommunication Services
  • Year:
  • 1999

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Abstract

Resource reservation is required to guarantee delivery of continuous media data from a server across a network for continuous playback by a client. This paper addresses the characterization of the network bandwidth requirements of Variable Bit Rate data streams and the corresponding admission control mechanism at the server. We show that a characterization which sends data early, making intelligent use of client buffer space, reduces the amount of network bandwidth reserved per stream without creating any start-up latency. The results of performance experiments in a Continuous Media File Server find that operation with requests arriving over time can deliver up to 90% of the network bandwidth. The experiments also show that a system designer can configure a server so that the network and disk bandwidth can scale together.