Queueing Models Customers server Queue/buffer Model for Customers waiting in line Assembly line Packets in a network(transmission line) Want to know Average delay experienced by a customer 3 Average number of customers in the syster Quantities obtained in terms of Arrival rate of customers (average number of customers per unit time Service rate (average number of customers that the server can serve per unit time)Queueing Models Customers Queue/buffer • Model for – Customers waiting in line – Assembly line – Packets in a network (transmission line) • Want to know – Average number of customers in the system – Average delay experienced by a customer • Quantities obtained in terms of – Arrival rate of customers (average number of customers per unit time) – Service rate (average number of customers that the server can serve per unit time) server Eytan Modiano Slide 10