The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 19, 2026
Filed:
Feb. 24, 2023
Ciena Corporation, Hanover, MD (US);
Bhupendra Yadav, Ottawa, CA;
Senthil Balakrishnan, Kanata, CA;
Shashanka Shobhit Shankara, Stittsville, CA;
Ciena Corporation, Hanover, MD (US);
Abstract
Systems and methods for computing forward and reverse paths and checking the liveness, keep-alive status, or continuity of the forward and reverse paths are provided. A method (), according to one implementation, includes the step of creating () one or more messages related to a computation of a forward path from a head-end node () to a tail-end node () and a computation of a reverse path from the tail-end node () to the head-end node (). The method () also includes the step of adding () a data object to the one or more messages, the data object including an intent to check the liveness of the forward path and reverse path.