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03 July 2018



  • Bernd Zeuner
  • Karthik Sethuraman
  • Nigel Davis
  • Stephance St-Laurent


  • IEEE 802.1Qcx YANG & ITU-T G.8052.1 UML 
  • Photonic & OTSi model (Deferred to TAPI call)

Discussion Items

45 minEthernet CFMKam
  • IEEE 802.1Qcp Bridge 
    • The YANG is considered complete.
    • It is waiting for publication
  • IEEE 802.1Qcx CFM YANG
  • ITU-T G.8052.1 UML
    • Yet to confirm on the MIP (Full, Half, and RAPS capable Half) and Mac Address of MEP & MIP
    • Karm shared the Terminaton Point augmentation and P&R
      • Augmentation: g8052.1-tp.png
      • P&R:
        • The following attributes will be refactored by moving to EthCsfPac
          • _csfReport:CsfReportSink_Pac / csfReport:Boolean
          • _csfRdiFdiEnable:CsfRdiFdiEnableSink_Pac / csfRdiFdiEnable
          • _csfConfig:CsfConfigSource_Pac / csfConf
          • _csfRdiFdiEnable:CsfRdiFdiEnableSource_Pac / csfRdiFdiEnable
        • Given that CFM provides only the highest priority (critical) defects, the G.8052 currentProblemList should be retained.
      • Italo Comment: provide the rationale of pruning/retaining for the attributes in an additional column or excel.
  • Italo Comment: Relationship between the ITU-T MEG and IEEE MaintenanceDomain (MD) & MaintenanceAssociation (MA):
    • Kam shared the following: While in the IEEE CFM model the MEG is not explicitly defined, the MEG concept was explained in the following figure from Marc Holness, in which a <MD,MA> pair represents a Maintenance Group (MEG).

            • When a MEP is created, it will reference an Interface and a Maintenance Group. From IEEE 802.1Q perspective, the Interface would be a Bridge-Port
  • Akira comment: How will IEEE CFM do the performance monitoring (PM).
    • Scott: IEEE will not do PM
    • Kam: Ethernet PM is defined in ITU-T. People should use the ITU-T PM, which is G.8052.1 doing to augment the IEEE CFM with the Ethernet PM.
 Photonic & OTSi model Not discussed. Many people are not available. Defer discussion to the TAPI call.

Action Items