[1] draft-nottingham-surrogates-00 - Requirements for Demand-Driven Surrogate Origin Servers ( (2012-01-11 11:15:30 +09:00 版)) http://tools.ietf.org/html/draft-nottingham-surrogates-00#section-3.6

[2] Edge Architecture Specification 1.0 ( (2001-08-03 20:28:16 +09:00 版)) http://www.w3.org/TR/2001/NOTE-edge-arch-20010804

[8] RFC 4229 が IANA登録簿に状態「情報提供」で >>2 を出典に登録しています >>7。

[7] RFC 4229 - HTTP Header Field Registrations (2014-11-02 18:53:20 +09:00 版) http://tools.ietf.org/html/rfc4229#section-2.1.101