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     Overview   
        6.1     Control component overview
        6.2     Call and connection control    
        6.3     Interaction between control domains, transport resources and other MC systems 
        6.4     User architecture       
 7     Transport resources and their representation           
        7.1     Transport functional architecture        
        7.2     Domains 
        7.3     Control view of transport resources for connection management         
        7.4     Virtualization  
        7.5     Multilayer aspects 
        7.6     Interlayer client support 
        7.7     Calls supported by calls at same layer 
        7.8     Mapped server interlayer relationships 
 8     Control components 
        8.1     Notation  
        8.2     Policy and federations 
        8.3     Architectural components 
 9     Common control communications 
        9.1     Control communications network 
10     Common management aspects of common control components 
11     Identifiers 
       11.1     Resources in the transport network 
       11.2     Control view of transport resources 
       11.3     Control Components 
       11.4     Control artefacts 
       11.5     Reference points 
12     Resilience  
       12.1     Principles of MC component and transport network interaction  
       12.2     Principles of protocol controller communication         
13     Connection availability enhancement techniques 
       13.1     Protection  
       13.2     Restoration  
       13.3     Nested routing domains         
14     Topology and discovery     
       14.1     SNPP links    
       14.2     Routing areas             
Annex A – Connection services    
Appendix I – Resilience relationships    
        I.1     ASON control domain – DCN relationships        
        I.2     ASON control domain – Transport resource relationships           
        I.3     Control domain – MC system relationships       
        I.4     Intra-control domain relationships 
Appendix II – Example of layered call control    
Appendix III – Component interactions for connection set-up     
      III.1     Hierarchical routing 
      III.2     Source and step-by-step routing           
      III.3     Connection protection  
      III.4     Restoration – Hard re-routing – Intra-domain – Hierarchical method    
      III.5     Restoration – Soft re-routing – Intra-domain – Source method  
      III.6     Restoration – Revertive re-routing – Intra-domain – Source method  
      III.7     Source routing using a routing query interface