Table of Contents

 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 Individual and group protection concept         
        6.1 Individual protection   
        6.2 Group protection          
 7 Architecture types   
        7.1 Wrapping protection    
        7.2 Steering protection       
 8 Switching types        
 9 Operation types        
10 Switching protocol 
11 Protection classes and subclasses      
       11.1 Shared section link ring protection (SLRing)      
       11.2 Dedicated section link ring protection (DLRing)
       11.3 Description    
12 Multi-ring scenario
13 Protection switching performance     
14 Hold-off timer         
15 Wait-to-restore timer            
16 Automatic protection switching (APS) signal 
17 Non-pre-emptible unprotected traffic (NUT) and extra traffic (ET)        
18 External commands
19 Automatic commands           
20 Priority      
21 SF and SD trigger conditions              
22 How to avoid misconnections            
       22.1 Squelching     
       22.2 Steering          
Bibliography