1     Scope 
 2     References 
 3     Definitions  
 4     Abbreviations and acronyms        
 5     Conventions     
 6     Architecture      
        6.1     General  
        6.2     MPLS tunnel and VC LSPs           
        6.3     Relationship between frame relay VC and MPLS VC LSP 
        6.4     Frame relay over MPLS mapping modes   
 7     Frame relay over MPLS requirements      
 8     Protocol stack and frame format  
        8.1     Data transfer protocol stack           
        8.2     FR-MPLS packet format for the one-to-one mapping mode           
 9     FR-MPLS packet processing for one-to-one mapping mode        
        9.1     Generating FR-MPLS packets       
        9.2     Reception of FR-MPLS packets    
        9.3     Handling of error conditions           
        9.4     Optional fragmentation and reassembly procedures 
10     FR PVC provisioning      
11     Traffic management aspects        
12     Frame relay many-to-one mapping mode
       12.1     General 
       12.2     Packet format for many-to-one mapping mode      
       12.3     Many-to-one mode processing     
Appendix I – Example of fragmentation for the one-to-one mapping mode