Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 15, 2011
Patent Application Number
11420689
Date Filed
May 26, 2006
Patent Primary Examiner
Patent abstract
An automated Label Switched Path (LSP) control mechanism in a packet-switched network. A metering device in an Ingress Label Edge Router (LER) determines whether a data rate for a packet flow class exceeds a predefined limit. If so, the metering device sends an LSP-setup message to a Multi-Protocol Label Switching (MPLS) signaling function for setting up an LSP. When a calculated long-term data rate falls below a second predefined limit, the metering device sends an LSP-teardown message to the MPLS signaling function, which tears down the LSP. Current LSP status information and Next-Hop Label Forwarding Entries (NHLFE) information are stored in an associated database.
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