WN - 3.02

Question 1

Explain the M/M/1 model

Answer 1

1. Single server
2. Arrivals according to poisson process
3. Inter-arrival times exponential r.v.’s
4. Service times exponential r.v.’s with mean1/
5. Infinite buffers

Question 2

Why can the number of customers in the system can be expressed as a continuos-time Markov chain

Answer 2

Due to the memoryless property