[SOLVED] PEAP Lab 16- Performance indices of three tier application

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A three tier application serves a Poisson stream of requests, at rate l = 10 jobs / s. The three tiers are respectively: a web server (demand D1 = 85 ms), a DB server (demand D2 = 75 ms), and a storage server (demand D3 = 50 ms)

Compute:
1. The utilization of the three stations
2. The average number of jobs in the three stations
3. The average system response time

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