US 12,149,352 B2
OpenFEC error marking
Sebastien Gareau, Ottawa (CA); and Jeffery Thomas Nichols, Marietta, GA (US)
Assigned to Ciena Corporation, Hanover, MD (US)
Appl. No. 18/036,636
Filed by Ciena Corporation, Hanover, MD (US)
PCT Filed Nov. 2, 2021, PCT No. PCT/US2021/057728
§ 371(c)(1), (2) Date May 11, 2023,
PCT Pub. No. WO2022/103624, PCT Pub. Date May 19, 2022.
Application 18/036,636 is a continuation of application No. 17/147,596, filed on Jan. 13, 2021, granted, now 11,184,112, issued on Nov. 23, 2021.
Claims priority of provisional application 63/113,829, filed on Nov. 14, 2020.
Prior Publication US 2024/0007225 A1, Jan. 4, 2024
Int. Cl. H04L 1/00 (2006.01); H04L 27/36 (2006.01)
CPC H04L 1/0071 (2013.01) [H04L 1/0008 (2013.01); H04L 1/0041 (2013.01); H04L 1/0045 (2013.01); H04L 1/005 (2013.01); H04L 1/0058 (2013.01); H04L 1/0061 (2013.01); H04L 27/362 (2013.01); H04L 1/0064 (2013.01); H04L 1/0082 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus for adapting FlexO/ZR data to Open Forward Error Correction (OFEC) blocks, the apparatus comprising circuitry configured to:
receive the FlexO/ZR data for adaptation to the OFEC blocks, and
insert the FlexO/ZR data with a plurality of checksums and padding in the OFEC blocks prior to OFEC encoding, wherein the plurality of checksums and the padding are used for the adaptation of the FlexO/ZR data to the OFEC blocks.