2004-02-26 メモ Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, March 1997. 邦訳 http://grelot.elec.ryukoku.ac.jp/%7Esuzuki/RFC/rfc2119/rfc2119-ja-v0.1.txt 邦訳 http://www.studyinghttp.net/rfc_ja/rfc2119_ja.html Narten, T. and H. Alvestrand, "Guidelines for Writing an IANA Considerations Section in RFCs", BCP 26, RFC 2434, October 1998. 邦訳 http://www5d.biglobe.ne.jp/~stssk/rfc2434j.html