Optical transport network frame structure with in-band data...

Details Optical transport network frame structure with in-band data... Optical transport network frame structure with in-band data...

2007-10-02

2007-10-02

Lamarre, Guy (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S751000, C714S701000

Reexamination Certificate

active

10171297

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 Intra Domain Interface (IaDI) specifications set forth in International Telecommunication Union Telecommunication Standardization Sector (ITU-T) Recommendation Guide For Recommendation, G.709/Y.1331.

REFERENCES:
patent: 6570912 (2003-05-01), Mirfakhraei
patent: 6594047 (2003-07-01), Ballintine et al.
patent: 6598200 (2003-07-01), Greenwood et al.
patent: 6724996 (2004-04-01), Ballintine et al.
patent: 6829741 (2004-12-01), Khansari et al.
patent: 6865163 (2005-03-01), Bergenwall et al.

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