Bandwidth control method in a network system
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United States of America Patent
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Oct 22, 2002
Grant Date -
N/A
app pub date -
Jun 8, 1998
filing date -
Jun 9, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A bandwidth control method is disclosed that allows management on the network manager side of bandwidths to be reserved. Between each of subscriber nodes, maximum bandwidths are set for each node pair in which one subscriber node is taken as the source and the other is taken as the destination; and for the data transfer from a source subscriber node to a destination subscriber node, for each of links from the source subscriber node to a trunk node, links between trunk nodes, and links from a trunk node to the destination subscriber node, bandwidths are set to correspond to the sum of maximum bandwidths of subscriber node pairs that carry out data transfer over these links. For data transfer from trunk nodes to other trunk nodes or to the destination subscriber node, virtual channels are organized by route and made virtual channel groups, and bandwidths are reserved based on the virtual channel groups.
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