A bit in the Frame Relay header that is set when the network router detects congestion from the source direction (or "backward," from the packet's point of view). See also Forward Explicit Congestion Notification (FECN) .
BACKWARD EXPLICIT CONGESTION NOTIFICATION (BECN)
Meaning of BACKWARD EXPLICIT CONGESTION NOTIFICATION (BECN) in English
Josh's Network English Glossary. Английский словарь Josh's Network. 2012