| 摘要 |
A communication system includes an optical network, a first POP, and a second POP. The first POP receives user communications from a first user system and transfers the user communications to the optical network over a first optical wavelength. The optical network transfers first user communications to the second POP over the first optical wavelength. The second POP transfers the user communications to a second user system. Responsive to a problem with the transfer of the user communications over the first optical wavelength, the first POP transfers the user communications to the optical network over a second optical wavelength, and the optical network transfers the user communications to the second POP over the second optical wavelength.
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