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:
Mar. 10, 2020
Filed:
Nov. 27, 2018
Ciena Corporation, Hanover, MD (US);
Choudhury A. Al Sayeed, Stittsville, CA;
David Atkinson, Ottawa, CA;
Marc De La Durantaye, Ottawa, CA;
David W. Boertjes, Nepean, CA;
Ciena Corporation, Hanover, MD (US);
Abstract
Systems and methods of optical restoration include, in an optical network with a photonic service operating between two nodes via an associated optical modem at each node, wherein each modem is capable of supporting variable capacity, C, C, . . . , Cwhere C>C> . . . >C, detecting a fault on a home route of the photonic service while the photonic service operates at a home route capacity C, Cis one of C, C, . . . , C; downshifting the photonic service to a restoration route capacity C, Cis one of C, C. . . , Cand C<C; switching the photonic service from the home route to a restoration route while the photonic service operates at a restoration route capacity C; and monitoring the photonic service during operation on the restoration route at the restoration route capacity Cfor an upshift.