Method and apparatus for transparent optical communication with two-fiber bidirectional ring with autoprotection and management of low priority traffic
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United States of America Patent
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Dec 9, 2003
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app pub date -
Apr 12, 2002
filing date -
Dec 31, 1997
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Abstract
A closed-ring transparent optical communication network that provides for protection of the principal communication channel of each supported wavelength and supports occasional traffic on a separate channel. In the case of a breakdown of or degradation in the principal channel, these communications are redirected to the occasional channel.
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