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 Overview
7 Network objectives
8 Functional model
8.1 Label operations
9 Protection architecture types
10 Switching types
11 Operation types
12 Ring interconnection and its functional model
12.1 Interconnection node
13 Failure detection
14 Ring protection switch protocol
14.1 Transmission and acceptance of ring protection switch requests
14.2 RPS PDU format
14.3 Ring node ring protection switch state
14.4 Ring protection switch state transition
15 Misconnection avoidance
16 Ring protection switch initiation criteria
16.1 Administrative commands
16.2 Automatically initiated commands
Annex A – State transition tables of protection switching
Annex B – Bandwidth sharing
Appendix I – Wrapping and Steering examples
I.1 Wrapping
I.2 Short wrapping
I.3 Steering