Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Delfin Y. Montuno0
Jing Wu0
Guoqiang Wang0
Date of Patent
October 31, 2006
Patent Application Number
09891011
Date Filed
June 25, 2001
Patent Primary Examiner
Patent abstract
Label information used by a downstream LSR is mirrored on an upstream LSR. In particular, a copy of the label information database in the downstream LSR from LDP sessions is stored on the upstream LSR. The label information database and corresponding mirror are synchronized. The mirror is employed to facilitate recovery from control plane failure through comparison of the label information database with the mirror. For example, the intersection of the label information database and the mirror may be calculated and employed as the updated label information database and mirror.
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