Congestion relieving system in a communication system

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

1994-03-22

1996-12-31

Olms, Douglas W.

Multiplex communications

Data flow congestion prevention or control

Flow control of data transmission through a network

370440, H04J 302, H04L 1240

Patent

active

055901328

ABSTRACT:
A congestion relieving system in a communication system includes a local switch (62a) and a customer station including a network terminator (64a) connected to the local switch (62a) and 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) includes a congestion relieving signal generating unit for generating a congestion relieving signal when congestion is detected. The congestion relieving signal is inserted, as a request bit, into a request bit area in the cell having a format conformable to the DQDB protocol. The cell is then transmitted from the local switch (62a) through the network terminator (64a) to the data receiving/transmitting units (65), and 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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