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:
Dec. 30, 2025
Filed:
Jul. 10, 2024
Applicant:
Ciena Corporation, Hanover, MD (US);
Inventor:
Ghulam Mustafa, Aligarh, IN;
Assignee:
Ciena Corporation, Hanover, MD (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 43/0811 (2022.01); H04L 41/069 (2022.01);
U.S. Cl.
CPC ...
H04L 43/0811 (2013.01); H04L 41/069 (2013.01);
Abstract
Systems and methods for enhancing the Connectivity Fault Management (CFM) protocol defined in IEEE 802.1Q are provided. In particular, a method includes receiving one or more messages associated with a link connectivity protocol that for detecting link connectivity issues of an Ethernet service in a section of a network and responding to the link connectivity issues; and maintaining two databases for learning nodes in the network based on the received one or more messages, the two databases including an active database and an isolated database.