Shone, Rob; Knight, Vincent A.; Williams, Janet E. - In: European Journal of Operational Research 227 (2013) 1, pp. 133-141
We consider an M/M/1 queueing system in which the queue length may or may not be observable by a customer upon entering the system. The “observable” and “unobservable” models are compared with respect to system properties and performance measures under two different types of optimal...