Communication network, path setting method, network management system and node
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United States of America Patent
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Apr 8, 2008
Grant Date -
Feb 6, 2003
app pub date -
Aug 5, 2002
filing date -
Aug 6, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A hierarchized path setting system in a communication network efficiently contains lower order paths in higher order path. The communication network has a plurality of nodes capable to perform switching process and demultiplexing process not only for lower order paths in a predetermined hierarchical level among hierarchized paths but also for higher order paths in a hierarchical level higher than the predetermined hierarchical level, and a plurality of links connecting these nodes. The system is responsive to a new path setting demand for setting the lower order path, for setting the lower order path in the higher order path when a single higher order path is set from a predetermined transmiter node group, in which a transmiter node of the lower order path belongs, to a predetermined receiver node group including a receiver node.
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