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.

Date of Patent:
Aug. 24, 2021

Filed:

Jun. 17, 2020
Applicant:

Ciena Corporation, Hanover, MD (US);

Inventors:

Trevor John Ibach, Manotick, CA;

Larry Babineau, Ottawa, CA;

Assignee:

Ciena Corporation, Hanover, MD (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/27 (2013.01); H04B 10/03 (2013.01); H04J 14/02 (2006.01);
U.S. Cl.
CPC ...
H04B 10/03 (2013.01); H04B 10/27 (2013.01); H04J 14/021 (2013.01);
Abstract

A network element configured to operate in an Optical Transport Network (OTN) network includes one or more modules including a first regenerator port and a second regenerator port, wherein the one or more modules are configured to provide a Low Order (LO) regenerator function; and circuitry configured to detect the one or more modules are part of the LO regenerator function, and, responsive to detection of a fault on the first regenerator port, cause forward traffic conditioning at a High Order (HO) path to the second regenerator port. The forward traffic conditioning can include an Alarm Indication Signal (AIS) on the HO path.


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