Predictive congestion control of high-speed wide area networks

Details Predictive congestion control of high-speed wide area networks Predictive congestion control of high-speed wide area networks

1992-06-26

1994-01-04

Safourek, Benedict V.

Multiplex communications

Wide area network

Packet switching

370 681, H04L 1256

Patent

active

052766772

ABSTRACT:
To control congestion in packet switching networks, control of the traffic sent by a given station to each of the downstream nodes to which it is directly connected is effected by control of the traffic that the upstream nodes to which it is directly connected are permitted to send to it. In this regard, a predictive model is used to predict the cross traffic, one round trip delay in advance that the given station can expect. The parameters for the predictive model are obtained by measurements in real time and by the use of moving averages. Using the predicted cross traffic, the amount of controlled traffic that the proximate downstream nodes can accommodate from the given node, and the correct state of the given node, the state of the given node one round trip delay into the future is predicted. This prediction is used to schedule the amount of traffic to be sent by each of its proximate upstream nodes.

REFERENCES:
patent: 5014265 (1991-05-01), Hahne et al.
patent: 5146454 (1992-09-01), Courtois et al.
patent: 5193151 (1993-03-01), Jain
K. Ko, P. P. Miahara and S. K. Tripathi, "Interaction Among Virtual Circuits Using Predictive Congestion Control," Second Annual Workshop on Very High Speed Networks, Greenbelt, Maryland, Mar. 4-5, 1991, pp. 96-119.

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