System and method for routing working and protect paths
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United States of America Patent
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N/A
Issued Date -
Nov 7, 2002
app pub date -
May 1, 2001
filing date -
May 1, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and apparatus for providing an optical networking scheme that provides working and protect paths to address failures of optical lines and components, is provided. An optical sub-assembly has an optical signal separated into a first sub-band and a second sub-band. A working path propagates through the optical network. The working path operates only in the first sub-band. A protect path propagates through the optical network, operating only in the second sub-band. A first module disposed along the working path affects the working path, and a second module disposed along the protect path affects the protect path.
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