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     Multi-segment pseudowires          
        6.1     Reference architecture for multi-segment transport using pseudowires         
        6.2     Advantages of the PW layer           
        6.3     Terminating and stitching IWFs      
        6.4     PW encapsulation format   
 7     General capabilities          
        7.1     User plane capabilities       
        7.2     Control and management plane capabilities 
 8     The PW encapsulation format      
        8.1     Usage and compatibility     
        8.2     Server layer packet
 9     Security considerations    
Appendix I – Compatibility with existing encapsulations     
        I.1        Encapsulations compatible with this Recommendation       
       I.2      Encapsulations not compatible with this Recommendation    
Appendix II  Guidance for use of PWs with specific server networks     
      II.1      MPLS    
       II.2     Ethernet  
       II.3     IP     
       II.4     PDH/SDH/OTN using GFP