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:
Nov. 26, 2019
Filed:
Sep. 24, 2018
Ciena Corporation, Hanover, MD (US);
Veena Alevoor, Alpharetta, GA (US);
Satish Gopalakrishna, Johns Creek, GA (US);
Ciena Corporation, Hanover, MD (US);
Abstract
Systems and methods of coordinating Layer 1 and Layer 2 protection switching include, at a node having a plurality of ports including a first port that is an endpoint of a Layer 1 network and a second port that connects to a Layer 2 network, communicating defects in the Layer 1 network to a local Maintenance End Point (MEP) on the second port and any recovery actions being performed in the Layer 1 network; informing other nodes on the Layer 2 network via the second port of the defects and the recovery actions; and coordinating Layer 2 protection switching in the Layer 2 network based on the defects and based on the recovery actions in the Layer 1 network.