In this paper we consider an M/M/1 queueing system in which the server can serve at two different speeds. The speed of the server is regulated by the content of a credit buffer. The performance measures of interest are the sojourn time distribution of customers and the joint distribution of the content of the waiting room and the content of the credit buffer. This system is a simple model for a traffic regulation scheme (two-level traffic shaper) at the edge of an ATM network. Numerical results are presented which demonstrate the effect of the regulation scheme.
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机译：在本文中，我们考虑一个M / M / 1排队系统，其中服务器可以两种不同的速度服务。服务器的速度由信用缓冲区的内容来调节。感兴趣的性能度量是客户的停留时间分布以及候诊室内容和信用额度内容的联合分布。该系统是ATM网络边缘的流量监管方案（两级流量整形器）的简单模型。数值结果表明了该调节方案的效果。
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