Stability in queues with impatient customers

Stability in queues with impatient customers

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Article ID: iaor20022019
Country: United States
Volume: 17
Issue: 3
Start Page Number: 375
End Page Number: 389
Publication Date: Jan 2001
Journal: Communications in Statistics - Stochastic Models
Authors: ,
Keywords: markov processes, stochastic processes
Abstract:

This paper deals with GI/G/1 queueing systems with impatient customers that have individual deadlines until their beginning of service. The impatience law depends on the number of waiting customers and on the elapsed service time of the customer in service. An exhaustive analysis of the asymptotic behavior of the model, combining ideas of stochastic dominance of well-known processes and some properties of models with finite capacity, is provided. We prove that the model is ergodic, null recurrent or transient if the corresponding traffic parameter in a simple associated model is respectively lower than, equal to, or greater than one.

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