1 Scope
2 References
3 Terms and definitions
3.1 Terms defined elsewhere
3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Network reliability objectives
5.1 Switching time
5.2 Hold-off time
5.3 Protection types
5.4 Switching types
5.5 Operation types
5.6 Manual protection
5.7 Switch initiation criteria
6 Network reliability architecture
6.1 Link protection
6.2 Trail protection
6.3 Switch types
6.4 Operation types
6.5 Network failure detection mechanism
6.6 Protection switching trigger mechanism
7 Link protection
8 Trail protection
8.1 Dual path routing model
8.2 Shortest path routing model
8.3 Alternative routing model
9 Protection coordination mechanism
10 Security considerations
Appendix I – Ear decomposition
Bibliography