Multiplex communications – Wide area network – Packet switching
Patent
1995-12-04
1998-05-12
Lim, Krisna
Multiplex communications
Wide area network
Packet switching
39520053, 370235, G06F 1300, H04L 1256
Patent
active
057519692
ABSTRACT:
Method (100) executed by congestion controller (26) in each node (20, 30, 40) of a network (10) determines whether congestion is going to occur or is occurring in a particular node (20, 30, 40). If congestion is imminent or occurring, a congestion status bit is set. Each time a data packet is received and the congestion indicator bit is set, congestion controller (26) increments a congestion counter. Each time a predetermined time interval expires, congestion controller (26) decrements the congestion counter. By using the congestion counter as an index into a credit table, a credit value is determined by destination node (31) that represents how many data packets are permitted to be sent from source node (30) to destination node (31). The credit value is sent to the source node via a message.
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Lim Krisna
McGurk Harold C.
Motorola Inc.
Vu Viet
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