An advanced queuing algorithm would be able to identify John Chambers as a very high priority customer so John would receive immediate attention. Weighted fair queuing (WFQ) is a queuing algorithm ...

Also called "first-come, first served" (FCFS) queuing, FIFO is the simplest queuing method. Packets are placed into a single queue and serviced in the order they were received. Each packet is assigned ...

Introduced as a practical WFQ implementation in 1997 by B. Beusaou, K.T. Chan, and D.H.K. Tsang. No longer requires tracking of arrival times. Each queue is issued credits on a regular intervals.

In QoS Part 1, we covered the high-level goals and concepts of using Quality of Service (QoS) to make sure that the most important network traffic gets through if the network becomes congested. This ...