[1] RFC 3507 - Internet Content Adaptation Protocol (ICAP) ( (2014-06-08 07:17:07 +09:00 版)) <http://tools.ietf.org/html/rfc3507>

[2] draft-stecher-icap-subid-00 - ICAP Extensions ( (2014-08-31 17:09:58 +09:00 版)) <http://tools.ietf.org/html/draft-stecher-icap-subid-00>