Table of Contents

 1     Scope          
 2     References               
        3.1     Terms defined elsewhere        
        3.2     Terms defined in this Recommendation            
 4     Abbreviations and acronyms             
 5     Conventions             
 6     Overview   
        6.1     Mesh topologies          
        6.2     Capacity efficiency considerations        
 7     SMP architecture types       
        7.1     SMP architecture overview     
 8     Switching types       
 9     Operation types      
10     Non-pre-emptible unprotected traffic (NUT) and extra traffic          
11     Automatic switch  
12     Pre-emption principle         
13     Path status monitoring       
14     Automatic protection switching (APS) protocol        
Annex A – Objectives    
Appendix I – SMP scenarios    
        I.1                   A simple SMP scenario 
        I.2                   SMP in mesh network  
Appendix II – Overview of shared mesh restoration (SMR) and  shared mesh protection (SMP) operation