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Method and apparatus for providing grades of service for unprotected traffic in an optical network

  • US 20050058064A1
  • Filed: 09/16/2003
  • Published: 03/17/2005
  • Est. Priority Date: 09/16/2003
  • Status: Active Grant
First Claim
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1. A method for providing unprotected traffic transported on protection channels in an optical network that provides transport for protected traffic using the protection channels for failover protection and transport for unprotected traffic using idle protection channels, the method comprising:

  • defining an ordered set of request priority values for requesting use of the protection channels, and priority values for at least two grades of service for the unprotected traffic; and

    creating a protection channel access policy for regulating use of the protection channels occupied by unprotected traffic of the at least two grades of service, in response to protection switch requests of corresponding request priority values.

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