draft-ychoi-eman-energy-efficient-management-01.txt:Younghwan Choi:etri:south korea:12:apr:2014:28:figure,kwd,seccons,ianacons:Active:: draft-ychoi-eman-energy-efficient-management-01.txt:Sangjin Jeong:etri:south korea:12:apr:2014:28:figure,kwd,seccons,ianacons:Active::