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» Customer Abandonment in Many-Server Queues
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MOR
2010
121views more  MOR 2010»
13 years 3 months ago
Customer Abandonment in Many-Server Queues
We study G/G/n + GI queues in which customer patience times are independent, identically distributed following a general distribution. When a customer’s waiting time in queue ex...
J. G. Dai, Shuangchi He
TELSYS
2002
99views more  TELSYS 2002»
13 years 4 months ago
Queue Lengths and Waiting Times for Multiserver Queues with Abandonment and Retrials
We consider a Markovian multiserver queueing model with time dependent parameters where waiting customers may abandon and subsequently retry. We provide simple fluid and diffusion ...
Avishai Mandelbaum, William A. Massey, Martin I. R...
QUESTA
2007
111views more  QUESTA 2007»
13 years 4 months ago
Queues with system disasters and impatient customers when system is down
Consider a system (e.g. a computer farm or a call center) operating as a M/M/c queue, where c = 1, or 1 < c < ∞, or c = ∞. The system as a whole suffers disastrous break...
Uri Yechiali
QUESTA
2010
112views more  QUESTA 2010»
13 years 3 months ago
Admission control for a multi-server queue with abandonment
In a M/M/N+M queue, when there are many customers waiting, it may be preferable to reject a new arrival rather than risk that arrival later abandoning without receiving service. O...
Yasar Levent Koçaga, Amy R. Ward
IOR
2006
75views more  IOR 2006»
13 years 4 months ago
Sensitivity of Performance in the Erlang-A Queueing Model to Changes in the Model Parameters
This paper studies the M/M/s+M queue, i.e., the M/M/s queue with customer abandonment, also called the Erlang-A model, having independent and identically distributed customer aban...
Ward Whitt