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Y.1731 (Ethernet OAM mechanisms) - 2

ITU-T

  • o

    Y.1731 also specifies:

    • Fault management

      • AIS (Alarm Indication Signal): Alarm suppression

      • Test: throughput, frame loss and bit error measurement

      • LCK (Locked): indication of service unavailability due to maintenance activities

      • MCC (Maintenance Communication Channel)

      • EXP (Experimental OAM)

      • VSP (Vendor Specific OAM)

    • Performance management

      • LM (Loss measurement): frame loss measurement

      • DM (Delay measurement): frame delay measurement

ITU-T Workshop “NGN and its Transport Networks“ Kobe, 20-21 April 2006

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