Recommendation ITU-T L.1321 describes a reference operational model and interface for improving energy efficiency of ICT network hosts.The operational model and interface specify network proxy operation to support IPv4 ARP and DHCP in order to promote the deployment of network proxy.
ITU-T L.1321-2015 Referenced Document
ITU-T Y.3021-2012 (Pre-Published) Framework of energy saving for Future Networks
ITU-T L.1321-2015 history
2015ITU-T L.1321-2015 Reference operational model and interface for improving energy efficiency of ICT network hosts (Study Group 5)