Path network and path network operation method using conversion of protection path into working path
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United States of America Patent
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Sep 20, 2005
Grant Date -
N/A
app pub date -
Oct 28, 2000
filing date -
Oct 29, 1999
priority date (Note) -
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Abstract
A path network and a path network operation method capable of dealing with an abrupt traffic variation by realizing fast path bandwidth increase are disclosed. A path network is operated by transmitting path signals from a transmitting node to a receiving node through the working paths and the protection paths, and converting a protection path into a working path temporarily in order to increase a bandwidth of the working paths when a bandwidth increase request occurs in the path network. The transmitting node and the receiving node can convert a protection path into a working path by using the automatic path conversion information contained in the path overhead attached to the path signals.
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