Abstract
The authors consider statistical multiplexing of on/off sources in an asynchronous transfer mode (ATM) network and its implications on traffic control. The periodic on/off source is used as a worst case output from the traffic enforcement algorithm, and the queue receiving information from a number of independent periodic on/off sources is studied with simulation results and analytical methods. The decomposition of the queuing process into a cell scale and a burst scale component is illustrated. A comparison with the exponentially distributed on/off queue is carried out, and a simple and versatile approximation is provided on which an admission control scheme based on peak, mean and burst duration can be based. Some implications on buffer dimensioning and traffic control are discussed.

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