Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
August 7, 2018
Patent Application Number
15085932
Date Filed
March 30, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
A fast reroute (FRR) implementation utilizes an optimized FRR table to implement a fast switchover to a backup link upon detecting a primary link failure on a label switched path (LSP). The switchover can be performed in a negligible amount of time (close to zero milliseconds) based on a backup indicator flag which can be dynamically updated. The FRR table stores pre-determined backup egress interfaces and FRR labels corresponding to primary egress interfaces to minimize the switchover time.
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