Optical transport network frame structure with dynamically...

Details Optical transport network frame structure with dynamically... Optical transport network frame structure with dynamically...

2006-04-11

2006-04-11

Decady, Albert (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S746000

Reexamination Certificate

active

07028241

ABSTRACT:
An optical transport network data frame structure is configured to provide an in-band data channel. The in-band channel data is contained in the data frame space that would otherwise be allocated to forward error correction (“FEC”) bytes. Consequently, the provision of the in-band data channel does not affect the number of client data bytes contained in the data frame structure. In accordance with a practical embodiment, the data frame structure is compliant with IaDI specifications set forth in ITU-T Recommendation G.709/Y.1331.

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patent: 6405340 (2002-06-01), Irvin et al.
patent: 6480475 (2002-11-01), Modlin et al.
patent: 2002/0129313 (2002-09-01), Kubo et al.
patent: 2004/0013129 (2004-01-01), Fang

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