Letter to the Editor—A New Measure of Effectiveness for Queuing Problems

Abstract

This letter indicates that another measure of effectiveness is of interest in certain queuing evaluation, different from those indicated by Saaty [Saaty, T. L. 1957. Resume of useful formulas in queuing theory. Opns Res. 5 161–200.] and Feller [Feller, W. 1957. An Introduction to Probability Theory and Its Applications , Vol. 1. Wiley, New York.].