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Interworking between MPLS/IP and Ethernet OAM mechanisms

  • US 8,804,534 B2
  • Filed: 05/19/2007
  • Issued: 08/12/2014
  • Est. Priority Date: 05/19/2007
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, by a provider edge (PE) device, a transport layer status message indicative of a defect on a pseudowire (PW) running across a Multi-Protocol Label Switching/Internet Protocol (MPLS/IP) core of a service provider (SP) network;

    identifying the defect at least in part by examining the transport layer status message;

    selecting, based at least in part on the defect, a service layer message indicative of the defect, the service layer message comprising an Ethernet Operations Administration, and Maintenance (OAM) message; and

    sending, by the PE device, the service layer message to a customer edge (CE) device over an Ethernet access domain of the SP network.

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