US Patent Issued to Ciena on April 21 for "FlexO/ZR subrating and partial survivability" (Canadian Inventor)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,766, issued on April 21, was assigned to Ciena Corp. (Hanover, Md.).

"FlexO/ZR subrating and partial survivability" was invented by Sebastien Gareau (Ottawa).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical interface includes circuitry configured to operate the optical interface at a first rate, subsequent to a requirement to subrate the optical interface to a second rate, determine which services are affected, signal a partial failure for the one or more affected services, and operate the optical interface at a second rate that is less than the first rate. The optical interface can be a Flexible Optical (FlexO) or ZR interface."

The paten...