FECN


Also found in: Acronyms.

FECN

(Forward Explicit Congestion Notification) A frame relay message that notifies the receiving device that there is a congestion problem. See BECN.
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The FECN bit is set in a frame and sent to the destination device.
Two kinds of thresholds are specified, one for FECN control and the other for backpressure control.