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Consider a special two - station open Jackson network. Each station has a single server and an infinite capacity waiting area. External arrivals to station

Consider a special two-station open Jackson network. Each station has a single server and an infinite capacity waiting area. External arrivals to station 1 follow a Poisson process with rate , and service times at station i are i.i.d, following exponential distribution with rate \\mu i, i =1,2. After being served at station 1, each customer goes to station 2, and after being served at station 2, the customer goes back to station 1 with probability 20% and leaves the system with probability 80%.

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