1 Scope
2 References
3 Definitions
4 Abbreviations and acronyms
5 Conventions
6 Power savings requirements
6.1 Survey results
6.2 EU code of conduct on energy consumption
6.3 Requirements profile summary
6.4 New use cases for the optical access technologies
7 Classification of power-saving techniques
7.1 Taxonomy
7.2 Unified approach to ONU power-saving signalling
7.3 Power saving in the context of dual managed ONU
7.4 OLT side power savings
7.5 ONU side power savings
8 Power-saving maintenance mechanisms
8.1 Cyclic Sleep (ex-Fast Sleep) power-saving technique
8.2 Deep sleep power-saving technique
8.3 Dozing/Doze power-saving technique
8.4 Watchful sleep saving technique
8.5 Power shedding
8.6 OMCI control of power-saving techniques
8.7 Savings in the context of upstream multi-rate
8.8 Savings in the context of multi-channel transmission
8.9 Savings obtained through the use of reach extenders
8.10 Savings obtained through line rate switching techniques
9 Signalling of ONU operations in a power-saving mode
9.1 Dying Gasp signalling
9.2 PLOAM-based signalling
9.3 Security aspect of power save mode signalling
10 Comparative analysis of PON low-power modes
10.1 Methodology
10.2 Power save mode signalling discussion
10.3 Power
save mode maintenance discussion
11 Conclusions
Appendix I – Power survey results
I.1 Power survey No.1 responses (LF08)
I.2 Power survey No. 2 responses
I.3 Power survey No. 3 responses
I.4 Power survey No. 4 responses
I.5 Power survey No. 5 questions
Bibliography