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Weighted fair queueing is a network scheduling algorithm. WFQ is both a packet-based implementation of the generalized processor sharing policy, and a natural extension of fair queuing. Whereas FQ shares the link's capacity in equal subparts, WFQ allows schedulers to specify, for each flow, which fraction of the capacity will be given.

Weighted fair queuing is also known as packet-by-packet GPS since it approximates generalized processor sharing "to within one packet transmission time, regardless of the arrival patterns."

Network scheduling algorithm
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