[1]
[CITE[IETF Trust Workspace]] <http://trustee.ietf.org/>

[2] [CITE@en-US[Trust Legal Provisions (TLP)Documents]]
( ([TIME[2011-02-01 04:09:09 +09:00]] 版))
<http://trustee.ietf.org/license-info/>

[3] [CITE@en-US[IETF Trust]]
([TIME[2010-03-25 07:54:59 +09:00]] 版)
<http://trustee.ietf.org/>