Historically, banks have used one or the other of two competing algorithms to handle the flow of customers at the teller stations within a bank: multiple-queue and single-queue. In the multiple-queue...

Historically, banks have used one or the other of two competing algorithms to handle the flow of customers at the teller stations within a bank: multiple-queue and single-queue. In the multiple-queue approach, each teller has a separate queue, similar to the lines at supermarkets.