System and method for learning and dynamic routing of data in a

Details System and method for learning and dynamic routing of data in a System and method for learning and dynamic routing of data in a

1995-06-05

1997-08-05

Chin, Wellington

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

455445, H04B 726

Patent

active

056549580

ABSTRACT:
A communications system (20) and method (100) learns and dynamically selects routes among a number of nodes (1-12) based on network state information. Each of the nodes (1-12) monitors its links and determines the state of each of its link. Each of the nodes (1-11) transmits their respective link state information to a designated node called a center node (12) by using forward propagation. After the link state information has been received from all of the nodes (1-11), the center node (12) aggregates them and forms a comprehensive state of the entire network. This network state information is subsequently distributed by the center node (12) to each of the nodes (1-11) in the network using reverse propagation. Each of the node (1-11) uses the network state information in making route selection decisions for connection requests that arrive after the node updates its network state information. The process of learning about network state information is or will be repeated after a predetermined amount of time (or at periodic intervals).

REFERENCES:
patent: 4788721 (1988-11-01), Krishnan et al.
patent: 4825206 (1989-04-01), Brice, Jr. et al.
patent: 5095480 (1992-03-01), Fenner
patent: 5128926 (1992-07-01), Perlman et al.
patent: 5412654 (1995-05-01), Perkins

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