1     Scope           
 2     References 
 3     Definitions  
 4     Abbreviations and acronyms              
 5     Conventions              
 6     Introduction              
 7     Ethernet linear protection to support dual parenting protection        
        7.1     Protected Ethernet connection configuration over a PON system          
        7.2     Solution description     
        7.3     Ethernet elements in a protected Ethernet connection over a
dual parented PON