Table of Contents - G.874 (04/2026) - Management aspects of optical transport network elements

1	Scope
2	References
3	Definitions
	3.1	Terms defined elsewhere
	3.2	Terms defined in this Recommendation
4	Abbreviations and acronyms
5	Conventions
6	Optical transport network management architecture
	6.1	OTN management network architecture
	6.2	Optical transport network equipment management architecture
	6.3	Information flows over management points
7	Fault management
	7.1	Fault management applications
	7.2	Fault management functions
8	Configuration management
	8.1	Hardware
	8.2	Software
	8.3	Protection switching
	8.4	Trail termination
	8.5	Adaptation
	8.6	Connection
	8.7	DEG thresholds
	8.8	ZZZ_Reported
	8.9	Alarm severity
	8.10	Alarm reporting control
	8.11	Performance management thresholds
	8.12	Tandem connection monitoring activations
	8.13	Date and time
	8.14	Control function
	8.15	Application identifier management
	8.16	Media element management
	8.17	Administrative state
9	Account management
10	Performance management
	10.1	Performance management applications
	10.2	Performance management functions
11	Security management
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Annex A – fgOTN management aspects
	A.1	Fault management
	A.2	Configuration management
	A.3	Performance management
Appendix I – Management information for configuration management
Appendix II – Management information for performance management
Appendix III – Mapping between OPUk payload type and adaptation atomic function
Bibliography