Optical layer survivability and security system
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United States of America Patent
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Apr 17, 2001
Grant Date -
N/A
app pub date -
Dec 29, 1999
filing date -
Jan 25, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An optical signaling header technique applicable to optical networks wherein packet routing information is embedded in the same channel or wavelength as the data payload so that both the header and data payload propagate through network elements with the same path and the associated delays. The technique effects survivability and security of the optical networks by encompassing conventional electronic security with an optical security layer by generating replicated versions of the input data payload at the input node, and the transmission of each of the replicated versions over a corresponding one of the plurality of links. Moreover, each of the links is composed of multiple wavelengths to propagate optical signals or optical packets, and each of the replicated versions of the data payload may be propagated over a selected one of the wavelengths in each corresponding one of the plurality of links.
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