Abstract
A fundamental problem that led to the development of queueing theory is the probabilistic modelling of the number of busy lines in telephone trunk groups. Based on the behavior of real telephone systems, a natural model to use would be the
Citation
William A. Massey. Ward Whitt. "An Analysis of the Modified Offered-Load Approximation for the Nonstationary Erlang Loss Model." Ann. Appl. Probab. 4 (4) 1145 - 1160, November, 1994. https://doi.org/10.1214/aoap/1177004908
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