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5近似分析法前面我们介绍了排队网络的三种分析方法,它们都可以求出准确解。这当然是最理想结果,遗憾的是这些方法并不适用于所有的排队网络模型。因此在这一节里我们接着介绍排队网络模型的近似分析。事实上上节已经介绍了一种近似方法:平均值近似分析法。之所以提出近似分析是因为一方面有许多排队网络用现在的理论还无法求出其准确解,因此不得不借助于近似分析;另
5 Approximate Analysis In front of us introduced the queuing network of three kinds of analysis, they can find the exact solution. This of course is the best result, but unfortunately these methods do not apply to all queuing network models. So in this section we next introduce the approximate analysis of the queuing network model. In fact, the previous section has introduced an approximation method: averaging approximation. The reason why the approximate analysis is proposed is that on the one hand, there are many queuing networks that can not be solved by the current theory and therefore have to resort to the approximate analysis.