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Fast restoration in optical mesh network

  • US 20020191247A1
  • Filed: 04/30/2001
  • Published: 12/19/2002
  • Est. Priority Date: 04/30/2001
  • Status: Abandoned Application
First Claim
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1. A wavelength division multiplexed optical network having nodes coupled by links, to enable wavelengths to be routed across the network, the nodes being arranged to carry out a restoration process to re-route one or more of the wavelengths, the restoration process having the steps of:

  • sending messages between the nodes to dynamically determine possible restoration routes, and re-routing each wavelength along a chosen one of the possible restoration routes.

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