The infinite server queue and heuristic approximations to the multi-server queue with and without retrials

Top ◽  
1999 ◽  
Vol 7 (2) ◽  
pp. 333-350
Author(s):  
M. F. Ramalhoto
2017 ◽  
Vol 51 (4) ◽  
pp. 931-944
Author(s):  
Senlin Yu ◽  
Zaiming Liu ◽  
Jinbiao Wu

Mathematics ◽  
2021 ◽  
Vol 9 (17) ◽  
pp. 2134
Author(s):  
Alexander Dudin ◽  
Olga Dudina ◽  
Sergei Dudin ◽  
Konstantin Samouylov

A novel multi-server vacation queuing model is considered. The distinguishing feature of the model, compared to the standard queues, is the self-sufficiency of servers. A server can terminate service and go on vacation independently of the system manager and the overall situation in the system. The system manager can make decisions whether to allow the server to start work after vacation completion and when to try returning some server from a vacation to process customers. The arrival flow is defined by a general batch Markov arrival process. The problem of optimal choice of the total number of servers and the thresholds defining decisions of the manager arises. To solve this problem, the behavior of the system is described by the three-dimensional Markov chain with the special block structure of the generator. Conditions for the ergodicity of this chain are derived, the problem of computation of the steady-state distribution of the chain is discussed. Expressions for the key performance indicators of the system in terms of the distribution of the chain states are derived. An illustrative numerical result is presented.


2001 ◽  
Vol 37 (11) ◽  
pp. 881-919 ◽  
Author(s):  
Ram Chakka ◽  
Peter G. Harrison

2021 ◽  
pp. 411-424
Author(s):  
Ayane Nakamura ◽  
Tuan Phung-Duc

2008 ◽  
Vol 61 (1) ◽  
pp. 65-84 ◽  
Author(s):  
Brian H. Fralix ◽  
Ivo J. B. F. Adan

1993 ◽  
Vol 30 (3) ◽  
pp. 589-601 ◽  
Author(s):  
Sid Browne ◽  
J. Michael Steele

We obtain the distribution of the length of a clump in a coverage process where the first line segment of a clump has a distribution that differs from the remaining segments of the clump. This result allows us to provide the distribution of the busy period in an M/G/∞ queueing system with exceptional first service, and applications are considered. The result also provides the tool necessary to analyze the transient behavior of an ordinary coverage process, namely the depletion time of the ordinary M/G/∞ system.


2013 ◽  
Vol 65 (2) ◽  
pp. 216-225 ◽  
Author(s):  
Jau-Chuan Ke ◽  
Chia-Huang Wu ◽  
Wen Lea Pearn

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