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 of measuring energy consumption in networks        
 7     Requirements for measuring energy consumption in networks              
 8     Reference model and functional architecture for network energy consumption measurement    
        8.1     Reference model for network energy consumption measurement            
        8.2     Functional architecture for measuring energy consumption in networks 
 9     Energy efficiency metrics     
10     Energy consumption measurement methods              
       10.1     Measurement methods at an interface              
       10.2     Measurement methods at a node        
       10.3     Measurement methods at a server      
       10.4     Measurement methods at a network  
11     Security considerations and requirements    
Appendix I – Calculation process for energy consumption at an interface    
        I.1     Switch
        I.2     Router              
Appendix II – Calculation process for energy consumption at a node    
       II.1     Energy consumption for wired nodes    
       II.2     Energy consumption for wireless nodes
Appendix III – Calculation process for energy consumption at a server    
Appendix IV – Calculation process for energy consumption at a network    
       IV.1     Energy consumption of TDM-PON        
Appendix V – Energy management levels on restricted electricity supply     
Appendix VI – Energy consumption in relation to functional operations    
Appendix VII – Energy efficiency rating for network equipment    
Appendix VIII – Methods for adjusting the energy measurement time    
     VIII.1     Framework of adjusting the energy measurement time
     VIII.2     Variation of traffic volume-based adjusting method for the energy measurement time T    
     VIII.3     Variation of energy consumption based method for adjusting the energy measurement time T    
Bibliography