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 Protection characteristics
7 Protection architectures
8 Commands
8.1 APS channel
8.2 Request type
8.3 Lockout of protection
9 ODU SMP APS protocol configuration and behaviour
9.1 Local node configuration
9.2 Node behaviour for switching
10 Operational considerations
Appendix I – ODU SMP configuration examples
Appendix II – ODU SMP operational considerations