17. Consider a network router with an average service time of 1ms. If the average turnaround time of a request sent to the router must be no more than 4ms, what is the maximum average arrival rate the server can handle? Assume an M/M/1 system. Your answer should be in units of requests/ms. Your answer should be in units of requests/ms. 17. Consider a network router with an average service time of 1ms. If the average turnaround time of a request sent to the router must be no more than 4ms, what is the maximum average arrival rate the server can handle? Assume an M/M/1 system. Your answer should be in units of requests/ms. Your answer should be in units of requests/ms