Recommendation ITU-T G.8013/Y.1731 Corrigendum 1 (01/2024) Operation, administration and maintenance (OAM) functions and mechanisms for Ethernet-based networks
Summary
History
FOREWORD
Table of Contents
Introduction
1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
     5.1 ME group (MEG)
     5.2 Traffic conditioning point (TrCP)
     5.3 MEG level
     5.4 OAM transparency
     5.5 Representation of octets
6 OAM relationships
     6.1 MEs, MEPs, MIPs and TrCPs relationship
     6.2 MEs, MEGs and MEG level relationship
     6.3 MEPs and MIPs configuration
7 OAM functions for fault management
     7.1 Ethernet continuity check (ETH-CC)
          7.1.1 CCM (with ETH-CC information) transmission
          7.1.2 CCM (with ETH-CC information) reception
     7.2 Ethernet loopback (ETH-LB)
          7.2.1 Unicast ETH-LB
               7.2.1.1 Unicast LBM transmission
               7.2.1.2 Unicast LBM reception and LBR transmission
               7.2.1.3 LBR reception
          7.2.2 Multicast ETH-LB
               7.2.2.1 Multicast LBM transmission
               7.2.2.2 Multicast LBM reception and LBR transmission
               7.2.2.3 LBR reception
     7.3 Ethernet link trace (ETH-LT)
          7.3.1 LTM transmission
          7.3.2 LTM reception and forwarding, and LTR transmission
          7.3.3 LTR reception
     7.4 Ethernet alarm indication signal (ETH-AIS)
          7.4.1 AIS transmission
          7.4.2 AIS reception
     7.5 Ethernet remote defect indication (ETH-RDI)
          7.5.1 CCM with ETH-RDI transmission
          7.5.2 CCM with ETH-RDI reception
     7.6 Ethernet locked signal (ETH-LCK)
          7.6.1 LCK transmission
          7.6.2 LCK reception
     7.7 Ethernet test signal (ETH-Test)
          7.7.1 TST transmission
          7.7.2 TST reception
     7.8 Ethernet automatic protection switching (ETH-APS)
     7.9 Ethernet management communication channel (ETH-MCC)
     7.10 Ethernet experimental OAM (ETH-EXP)
     7.11 Ethernet vendor-specific OAM (ETH-VSP)
     7.12 Ethernet client signal fail (ETH-CSF)
          7.12.1 CSF transmission
          7.12.2 CSF reception
     7.13 Ethernet bandwidth notification (ETH-BN)
          7.13.1 BNM transmission
          7.13.2 BNM reception
     7.14 Ethernet expected defect (ETH-ED)
          7.14.1 EDM transmission
          7.14.2 EDM reception
8 OAM functions for performance monitoring
     8.1 Ethernet frame loss measurement (ETH-LM)
          8.1.1 Dual-ended ETH-LM
               8.1.1.1 CCM with dual-ended ETH-LM transmission
               8.1.1.2 CCM with dual-ended ETH-LM frame reception
          8.1.2 Single-ended ETH-LM
               8.1.2.1 LMM transmission
               8.1.2.2 LMM reception and LMR transmission
               8.1.2.3 LMR reception
     8.2 Ethernet frame delay measurement (ETH-DM)
          8.2.1 Dual-ended ETH-DM
               8.2.1.1 1DM transmission
               8.2.1.2 1DM reception
          8.2.2 Single-ended ETH-DM
               8.2.2.1 DMM transmission
               8.2.2.2 DMM reception and DMR transmission
               8.2.2.3 DMR reception
     8.3 Throughput measurement
     8.4 Ethernet synthetic loss measurement (ETH-SLM)
          8.4.1 Single-ended ETH-SLM
               8.4.1.1 SLM transmission
               8.4.1.2 SLM reception and SLR transmission
               8.4.1.3 SLR reception
          8.4.2 Dual-ended ETH-SLM
               8.4.2.1 1SL transmission
               8.4.2.2 1SL reception
9 OAM PDU types
     9.1 Common OAM information elements
          9.1.1 Common OAM PDU format
     9.2 CCM PDU
          9.2.1 CCM information elements
          9.2.2 CCM PDU format
     9.3 LBM PDU
          9.3.1 LBM information elements
          9.3.2 LBM PDU format
     9.4 LBR PDU
          9.4.1 LBR information elements
          9.4.2 LBR PDU format
     9.5 LTM PDU
          9.5.1 LTM information elements
          9.5.2 LTM PDU format
     9.6 LTR PDU
          9.6.1 LTR information elements
          9.6.2 LTR PDU format
     9.7 AIS PDU
          9.7.1 AIS information element
          9.7.2 AIS PDU format
     9.8 LCK PDU
          9.8.1 LCK information elements
          9.8.2 LCK PDU format
     9.9 TST PDU
          9.9.1 TST information elements
          9.9.2 TST PDU format
     9.10 APS PDU
          9.10.1 APS information elements
          9.10.2 APS PDU format
     9.11 MCC PDU
          9.11.1 MCC information elements
          9.11.2 MCC PDU format
     9.12 LMM PDU
          9.12.1 LMM information element
          9.12.2 LMM PDU format
     9.13 LMR PDU
          9.13.1 LMR information elements
          9.13.2 LMR PDU format
     9.14 1DM PDU
          9.14.1 1DM information element
          9.14.2 1DM PDU format
     9.15 DMM PDU
          9.15.1 DMM information element
          9.15.2 DMM PDU format
     9.16 DMR PDU
          9.16.1 DMR information elements
          9.16.2 DMR PDU format
     9.17 EXM PDU
          9.17.1 EXM information elements
          9.17.2 EXM PDU format
     9.18 EXR PDU
          9.18.1 EXR information elements
          9.18.2 EXR PDU format
     9.19 VSM PDU
          9.19.1 VSM information elements
          9.19.2 VSM PDU format
     9.20 VSR PDU
          9.20.1 VSR information elements
          9.20.2 VSR PDU format
     9.21 CSF PDU
          9.21.1 CSF information elements
          9.21.2 CSF PDU format
     9.22 SLM PDU
          9.22.1 SLM information elements
          9.22.2 SLM PDU format
     9.23 SLR PDU
          9.23.1 SLR information elements
          9.23.2 SLR PDU format
     9.24 1SL PDU
          9.24.1 1SL information elements
          9.24.2 1SL PDU format
     9.25 BNM PDU
          9.25.1 BNM information elements
          9.25.2 BNM PDU format
     9.26 EDM PDU
          9.26.1 EDM information elements
          9.26.2 EDM PDU format
10 OAM frame addresses
     10.1 Multicast destination addresses
     10.2 CCM
     10.3 LBM
     10.4 LBR
     10.5 LTM
     10.6 LTR
     10.7 AIS
     10.8 LCK
     10.9 TST
     10.10 APS
     10.11 MCC
     10.12 LMM
     10.13 LMR
     10.14 1DM
     10.15 DMM
     10.16 DMR
     10.17 EXM
     10.18 EXR
     10.19 VSM
     10.20 VSR
     10.21 CSF
     10.22 SLM
     10.23 SLR
     10.24 1SL
     10.25 BNM
     10.26 EDM
11 OAM PDU validation and versioning
     11.1 OAM PDU transmission
     11.2 OAM PDU validation in reception
     11.3 OAM PDU reception after validation
Annex A  MEG ID format
     A.1 ICC-based MEG_ID format
     A.2 Global MEG ID format based on CC and ICC
Annex B  Ethernet link trace (ETH-LT) of ITU-T Y.1731 interoperability considerations
     B.1 Ethernet link trace (ETH-LT) as specified in ITU-T Y.1731
     B.2 Interworking with ITU-T Y.1731
Appendix I  Ethernet network scenarios
     I.1 Shared MEG levels example
     I.2 Independent MEG levels example
Appendix II  Frame loss measurement
     II.1 Simplified calculation for frame loss
     II.2 Frame counter wrapping periodicity
Appendix III  Network OAM interworking
Appendix IV  Mismerge detection limitation
Appendix V  Terminology alignment with IEEE 802.1Q
Appendix VI  Examples showing accuracy for ETH-SLM measurement
Appendix VII  ETH-LM and link aggregation
Bibliography