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Label switched communication network and system and method for path restoration

  • US 20030063613A1
  • Filed: 09/28/2001
  • Published: 04/03/2003
  • Est. Priority Date: 09/28/2001
  • Status: Abandoned Application
First Claim
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1. A communication network including a first communication path having a plurality of switching routers, a second communication path having at least one communication path element different from said first communication path and extending from a selected one of said switching routers to a position on said first communication path located at a distance from said selected switching router of less than the length of said first communication path, wherein said selected switching router includes output means for outputting data with a label for routing data along one of said first and second communication paths, and routing means responsive to a fault in the transmission capability of said first communication path between said selected switching router and said position for routing data received by said selected switching router for transmission along said first communication path, along said second communication path.

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