Table of Contents

 1     Scope          
 2     References               
 3     Definitions 
 4     Abbreviations and acronyms             
 5     Overview   
        5.1     Call and connection control     
        5.2     Interaction between control, transport and management planes          
 6     Transport resources and their organization 
        6.1     Transport entities        
        6.2     Routing areas
        6.3     Topology and discovery            
        6.4     Domains          
        6.5     Multi-layer aspects     
        6.6     Interlayer client support           
        6.7     Calls supported by calls at same layer 
        6.8     Mapped server interlayer relationships             
 7     Control plane architecture  
        7.1     Notation          
        7.2     Policy and federations               
        7.3     Architectural components       
        7.4     Protocol controller (PC) components  
 8     Reference points    
        8.1     UNI    
        8.2     I-NNI 
        8.3     E-NNI
        8.4     User architecture         
        8.5     Inter-layer NCC interactions    
 9     Control plane use of signalling control networks (SCNs)        
10     Identifiers
       10.1     Name spaces
       10.2     Names and addresses              
       10.3     Relationships between identifiers      
11     Connection availability enhancement techniques   
       11.1     Protection     
       11.2     Restoration   
       11.3     Nested routing domains          
12     Resilience 
       12.1     Principles of control and transport plane interactions 
       12.2     Principles of protocol controller communication           
       12.3     Control and management plane interactions 
Annex A – Connection services    
Appendix I – Resilience relationships    
        I.1                   Control plane – DCN relationships           
        I.2                   Control plane – Transport plane relationships    
        I.3                   Control plane – Management plane relationships            
        I.4                   Intra-control plane 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
Appendix IV – Combining protection and restoration domains    
Appendix V – Example of explicit multi-layer routing topology    
Bibliography