1 Scope
2 References
3 Definitions
3.1 Terms defined elsewhere
3.1.34 working
transport entity [ITU-T G.808]
3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Protection architecture and characteristics
6.1 MPLS-TP protection architecture
6.2 Switching types
6.3 Operation types
6.4 Protection switching trigger mechanism
6.5 Provisioning mismatches
7 Protection group commands and state
7.1 End-to-end commands
7.2 Local commands
7.3 States
8 Automatic protection coordination protocol
8.1 Automatic protection coordination specific information
structure
8.2 Priorities of local and remote requests
8.3 APC initiation criteria
8.4 APC protocol type
8.5 Transmission and acceptance of APC messages
8.6 1-phase APC protocol
8.7 Equal priority requests
8.8 Control of bridge
8.9 Control of selector
8.10 Acceptance and retention of local requests
8.11 Hold-off timer
8.12 Wait-to-restore timer
8.13 Exercise operation
8.14 Signal degrade processing
8.15 Failure of protocol defects
9 Application architectures
9.1 Unidirectional 1+1 SNC/S protection switching
9.2 Bidirectional 1+1 SNC/S protection switching
9.3 Bidirectional 1:1 SNC/S protection switching
9.4 Relationship with ITU-T G.8131 (2007)
9.5 Pseudowire protection
10 Security aspects
Annex A – State transition tables of protection switching
Appendix I – Operation example of MPLS-TP linear protection protocol
Appendix II – Format of APC specific information
Appendix III – Initialization behaviour of MPLS-TP linear protection protocol