CONTENTS

 1 Scope 
2 References 
3 Definitions  
4 Abbreviations and acronyms        
5 QoS definitions 
        5.1 Packet-network-related QoS parameters   
        5.2 Basic QoS mechanisms      
6 Network input and service specification    
        6.1 Input traffic characteristics  
        6.2 Service specification          
7 QoS architectural components     
        7.1 Data plane architectural components          
        7.2 Control plane architectural components      
        7.3 Management plane architectural components          
        7.4 Enhancements for Y.1291  
8 VPN service based on the pipe model      
        8.1 Definition of pipe model     
        8.2 Customer edge characteristics        
        8.3 Provider equipment characteristics 
        8.4 Applicability, complexity, and scalability     
        8.5 Constructing the VPN based on the pipe model      
9 VPN service based on the hose model     
        9.1 Definition of hose model     
        9.2 Customer edge characteristics        
        9.3 Provider equipment characteristics 
        9.4 Applicability, complexity, and scalability     
10 VPN service based on both pipe and hose model
11 Multiple service provider scenario           
Appendix I – Pipe model-based implementation example of VPN with specific QoS requirements     
        I.1 Service requirements        
        I.2 Unified QoS-VPN architecture    
        I.3 Considerations     
Appendix II – Service curve     
Bibliography