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:
Aug. 10, 2021
Filed:
Jan. 11, 2019
Ciena Corporation, Hanover, MD (US);
Gaurav Agarwal, New Delhi, IN;
Jayant Kumar Bhardwaj, New Delhi, IN;
Manoj Rautela, Pithoragarh, IN;
Ciena Corporation, Hanover, MD (US);
Abstract
Systems and methods, in a Label Edge Router (LER) which includes one or more ports and a switching fabric therebetween, include, responsive to a request for a Label Switched Path (LSP) tunnel with a specified DiffServ Traffic Engineering (DSTE) Class Type, signaling a PATH message via a port for the LSP tunnel in a Multiprotocol Label Switching (MPLS) network; incorporating a FAST_REROUTE object in the PATH message which indicates Facility Bypass is desired; and incorporating the DSTE Class Type in the FAST_REROUTE object of the PATH message for a Point of Local Repair (PLR) node in the MPLS network to ensure a Facility Bypass tunnel used for the LSP tunnel supports the specified DSTE Class Type.