Table of Contents - G.8021/Y.1341 (2022) Amd. 2 (05/2025) -

1	Scope
2	References
3	Definitions
	3.1	Terms defined elsewhere
	3.2	Terms defined in this Recommendation
4	Abbreviations and acronyms
5	Methodology and conventions
6	Supervision
	6.1	Defects
	6.2	Consequent actions
	6.3	Defect correlations
7	Information flow across reference points
8	Generic processes for Ethernet equipment
	8.1	OAM related processes
	8.2	Queueing process
	8.3	Filter process
	8.4	Replicate process
	8.5	MAC length check process
	8.6	Server-specific processes
9	Ethernet MAC layer (ETH) functions
	9.1	ETH connection (ETH_C) function
	9.2	ETH termination functions
	9.3	ETH adaptation functions
	9.4	ETH diagnostic functions
	9.5	Server to ETH adaptation functions (/ETH_A)
	9.6	ETH traffic conditioning and shaping functions (ETH_TCS)
	9.7	ETH link aggregation functions
	9.8	ETH MEP and MIP functions
10	Ethernet server to ETH adaptation functions
11	Non-Ethernet server to ETH adaptation functions
	11.1	OTN to ETH adaptation functions
Appendix I – Applications and functional diagrams
Appendix II – AIS/RDI mechanism for an Ethernet private line over a single OTN server layer
Appendix III – Compound functions
Appendix IV – Start-up conditions
Appendix V – SDL descriptions
	Page
Appendix VI – Calculation methods for frame loss measurement
	VI.1	Dual-ended loss measurement
	VI.2	Single-ended loss measurement
Appendix VII – Considerations of the support of a rooted multipoint EVC service
Appendix VIII – Configurations for ingress VID filtering
Appendix IX – Handling of Expected Defects
	IX.1	Interruption events
	IX.2	Service activation
	IX.3	Additional considerations
Appendix X – Mapping guidelines between the atomic functions defined in [b-ITU-T G.8021-2016] and those defined in ITU-T G.8023
Appendix XI – Basic Ethernet MAC layer network (ETH) equipment types
	XI.1	Provider edge bridge (PEB)
	XI.2	Provider bridge (PB)
Bibliography