draft-ietf-6lo-nfc-07.txt:Younghwan Choi:etri:south korea:17:jun:2017:4:figure,kwd,seccons,ianacons:Active:: draft-ietf-6lo-use-cases-02.txt:Younghwan Choi:etri:south korea:25:jul:2017:3:kwd,seccons,ianacons:Active::