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:
Apr. 07, 2026
Filed:
Apr. 01, 2024
Applicant:
Ciena Corporation, Hanover, MD (US);
Inventors:
Ravi Halappa, San Jose, CA (US);
Sijie Lin, Santa Clara, CA (US);
Assignee:
Ciena Corporation, Hanover, MD (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 41/082 (2022.01); H04L 12/46 (2006.01); H04L 43/103 (2022.01);
U.S. Cl.
CPC ...
H04L 43/103 (2013.01); H04L 12/4633 (2013.01); H04L 41/082 (2013.01);
Abstract
Dial-out telemetry for network management includes a tunnel client configured to form a tunnel service for telemetry inside a dialed-out tunnel from the tunnel client to a tunnel server, wherein the tunnel service is between a network element, communicatively coupled to the tunnel client, and a network management system communicatively coupled to the tunnel server, and preserve the tunnel service via keepalives including during a software upgrade associated with any of the network management system and the network element and with the tunnel service itself.