Introduction - If you have any usage issues, please Google them yourself
This is a M/M/C/ infinity queueing system, where the customers enter the Poisson flow, the service time is distributed according to the negative exponent, and there are C single row multiple parallel service systems of the service stations. In such a system, customers arrive at the system in the rear row into a queue, then receive service at the idle service desk, while the service time of each service station obeys the negative exponential distribution of the same parameter. After the service is finished, the customer automatically goes away.