draft-naito-nat-time-wait-reduction-03.txt:NTT NT Lab:ntt:japan:6:sep:2012:24:kwd,seccons:Active::
draft-naito-nat-port-overlapping-01.txt:NTT NT Lab:ntt:japan:4:jul:2012:17:kwd,seccons:Active::
draft-naito-nat-resource-optimizing-extension-02.txt:NTT NT Lab:ntt:japan:5:jul:2012:9:kwd,seccons:Active::