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has been cited by the following article:

• TITLE: Buffer Occupancy of Double-Buffer Traffic Shaper in Real-Time Multimedia Applications across Slow-Speed Links

  AUTHORS: Ayodeji O. Oluwatope, Damilola T. Oyewo, Folake E. Olayiwola, Ganiyu A. Aderounmu, Emmanuel A. Adagunodo

  KEYWORDS: Multimedia Application; Slow-Speed Link; TCP; Buffer Occupancy; QoS

  JOURNAL NAME: Communications and Network, Vol.5 No.1, February 27, 2013

  ABSTRACT: In this paper, a double-buffer traffic shaper was investigated to adjust video frame rate inflow into the TCP sender-buffer of a multimedia application source across a slow-speed link. In order to guarantee QoS across a slow-speed link (i.e. 1 MBPS), the double-buffer traffic shaper was developed. In this paper, the buffer size dynamics of double-buffer was investigated. The arrival and departure of frames were modeled as a stochastic process. The transition matrix for the process was generated and the stationary probability computed. A simulation program was written in Matlab 7.0 to monitor the buffer fullness of the second buffer when a 3600 seconds H.263 encoder trace data was used as test data. In the second buffer, it was discovered that over 90% of the play-time, the buffer occupancy was upper bounded at 300 frames per second and utilization maintained below 30%.