Retrial queueing systems represent a class of models in which arriving customers, upon encountering a busy or unavailable server, enter a virtual waiting room—commonly referred to as an orbit—to ...

Queueing systems with working vacations refer to mathematical models in which service providers (servers) intermittently operate at a reduced capacity rather than coming to a complete standstill ...

The Journal of the Operational Research Society, Vol. 65, No. 2 (FEBRUARY 2014), pp. 278-290 (13 pages) A combination of discrete-time modelling and theoretical analysis is used to develop an ...

"In the analysis of a physical system, the first step is to derive a mathematical model for the system. However, it is important to note that mathematical models, in general, may assume many different ...