Congestion relieving system in a communication system

Details Congestion relieving system in a communication system Congestion relieving system in a communication system

H - Electricity

04

L

H04L 5/14 (2006.01) H04L 12/28 (2006.01) H04Q 11/04 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2060559

CONGESTION RELIEVING SYSTEM IN A COMMUNICATION SYSTEM ABSTRACT A congestion relieving system in a communication system comprising a local switch (62a) and a customer station including a network terminator (64a) connected to the local switch (62a) and a plural data receiving/-transmitting units (65) connected to the network terminator (64a) through buses (67D and 67U) conformable to a DQDB protocol, the local switch (62a) comprising congestion relieving signal generating unit for generating congestion relieving signal when congestion is detected, the congestion relieving signal being inserted, as a request bit, into a request bit area in the cell having a format conformable to the DQDB protocol, the cell being transmitted from the local switch (62a) through the network terminator (64a) to the data receiving/transmitting units (65), whereby each data receiving/transmitting unit (65) is restricted, under the DQDB protocol, to transmit data, when the data receiving/transmitting unit (65) receives the request bit.

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