Question
Consider a queueing system having two servers and no queue. There are two types of customers. Type 1 customers arrive according to a Poisson process
Consider a queueing system having two servers and no queue. There are two types of customers. Type 1 customers arrive according to a Poisson process having rate 1, and will enter the system if either server is free. The service time of a type 1 customer is exponential with rate 1. Type 2 customers arrive according to a Poisson process having rate 2. A type 2 customer requires the simultaneous use of both servers; hence, a type 2 arrival will only enter the system if both servers are free. The time that it takes (the two servers) to serve a type 2 customer is exponential with rate 2. Once a service is completed on a customer, that customer departs the system. (a) Define states to analyze the preceding model. (b) Give the balance equations. In terms of the solution of the balance equations, find (c) the average amount of time an entering customer spends in the system; (d) the fraction of served customers that are type 1.
(Please give complete description of the states, and not just copy paste the solution as given in the solution manual. Thanks)
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