On an M/G/1 queue providing general first essential service with customer’s choice for general or deterministic second optional service

2020 ◽  
Author(s):  
Kailash C. Madan
Keyword(s):  
Optional Service ◽  
Second Optional Service ◽  
Essential Service

scholarly journals Transient Solution of M[X]=G=1 With Second Optional Service, Bernoulli Schedule Server Vacation and Random Break Downs

2013 ◽  
Vol 3 (3) ◽  
pp. 45-55
Author(s):  
S. SHYAMALA ◽  
Dr. G. AYYAPPAN
Keyword(s):  
Arbitrary Distribution ◽  
Breakdown Rate ◽  
Mean Waiting Time ◽  
Optional Service ◽  
Second Optional Service ◽  
Poisson Stream ◽  
The Mean ◽  
Mean Queue Length ◽  
Bernoulli Schedule ◽  
Essential Service

In this model, we present a batch arrival non- Markovian queueingmodel with second optional service, subject to random break downs andBernoulli vacation. Batches arrive in Poisson stream with mean arrivalrate (> 0), such that all customers demand the rst `essential' ser-vice, wherein only some of them demand the second `optional' service.The service times of the both rst essential service and the second op-tional service are assumed to follow general (arbitrary) distribution withdistribution function B1(v) and B2(v) respectively. The server may un-dergo breakdowns which occur according to Poisson process with breakdown rate . Once the system encounter break downs it enters the re-pair process and the repair time is followed by exponential distributionwith repair rate . Also the sever may opt for a vacation accordingto Bernoulli schedule. The vacation time follows general (arbitrary)distribution with distribution function v(s). The time-dependent prob-ability generating functions have been obtained in terms of their Laplacetransforms and the corresponding steady state results have been derivedexplicitly. Also the mean queue length and the mean waiting time havebeen found explicitly.

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