Congestion relieving system in a communication system

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

1992-02-05

1994-08-23

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 941, 3701101, H04L 1256

Patent

active

053413733

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.

REFERENCES:
patent: 5001707 (1991-03-01), Kositpaiboon et al.
patent: 5062106 (1991-10-01), Yamazaki et al.
patent: 5164938 (1992-11-01), Jurkevich et al.

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