US Patent Issued to Ciena on Sept. 8 for "OpenFEC error marking" (Canadian, American Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,732,306, issued on Sept. 8, was assigned to Ciena Corp. (Hanover, Md.).

"OpenFEC error marking" was invented by Sebastien Gareau (Ottawa) and Jeffery Thomas Nichols (Marietta, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for marking errors in FlexO/ZR data includes circuitry configured to receive an Open Forward Error Correction (OFEC) block, decode a plurality of checksums in a payload area of the OFEC block, detect errors in the payload area based on the decoded plurality of checksums, and mark the detected errors in the payload area. The plurality of checksums are added during adaptation of the FlexO/ZR data to the OFEC block."

Th...