Method and system for shared optical regeneration

Details Method and system for shared optical regeneration Method and system for shared optical regeneration

2004-12-17

2010-02-16

Vanderpuye, Ken N (Department: 2613)

Optical communications

Fault recovery

Bypass inoperative element

C398S001000, C398S002000, C398S004000, C398S005000, C398S006000, C398S007000, C398S059000, C398S079000, C398S083000, C398S175000

Reexamination Certificate

active

07664391

ABSTRACT:
An optical network includes an optical ring that is capable of transmitting, between two or more nodes, a plurality of working traffic streams that include traffic transmitted in one of a plurality of wavelengths. A node is capable of transmitting, in a first wavelength, a first protection traffic stream associated with a first working traffic stream, in response to an interruption of the first working traffic stream. A node is also capable of transmitting, in a second wavelength, a second protection traffic stream associated with a second working traffic stream, in response to an interruption of the second working traffic stream. The optical network also includes a regeneration element capable of selectively regenerating the first protection traffic stream. The regeneration element is also capable of tuning the regeneration element to receive traffic in the second wavelength and of selectively regenerating the second protection traffic stream.

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