[1]
''Edge Architecture Specification 1.0'' <http://www.w3.org/TR/edge-arch>

W3C Note で規定されている [[HTTP]] [[要求頭欄]]。

[2]
[SAMP(HTTP)[Surrogate-Capability: orcl="ESI/1.0 ESI_Inline ORAESI/9.0.2"]]

([[名無しさん]] [WEAK[2004-05-14 11:11:38 +00:00]])

[3] [CITE@en[Edge Architecture Specification 1.0]]
( ([TIME[2001-08-03 20:28:16 +09:00]] 版))
<http://www.w3.org/TR/2001/NOTE-edge-arch-20010804>

[4] [CITE[Features/Surrogate - Squid Web Proxy Wiki]]
( ([TIME[2014-12-03 16:33:39 +09:00]] 版))
<http://wiki.squid-cache.org/Features/Surrogate>

[5] [CITE@en[Creating Caching Rules]]
( ([TIME[2006-02-17 05:15:10 +09:00]] 版))
<https://docs.oracle.com/cd/B14099_19/caching.1012/b14046/cache.htm>

[6] >>1 では [CODE(HTTP)@en[[[Surrogate-Capabilities:]]]] が混在していますが、
[[単数形]]が正しいようです。

[8] [[RFC 4229]] が [[IANA登録簿]]に [CODE(HTTP)@en[[[Surrogate-Capability:]]]]
を状態「[[情報提供]]」で >>1 を出典に登録しています [SRC[>>7]]。

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