Routing control method in a packet switching network
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United States of America Patent
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Sep 13, 1988
Issued Date -
N/A
app pub date -
Sep 11, 1986
filing date -
Sep 20, 1985
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Expired
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Abstract
In a communication network, in which a plurality of switching nodes are connected with each other through a plurality of relay lines and one of the switching nodes acts as a center node for network routing, the center node estimates the state of delay of data for every relay line on the basis of information previously inputted, indicating the communication network configuration, and the state of delay of data reported by each of the switching nodes, and informs each of the switching nodes of said estimated state of delay of data. Each of the switching nodes determines and selects the relay line giving the shortest delay of data for every destination, to which it outputs data, on the basis of the state of delay at the relevant switching node itself and that received from the center node.
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