[1] [CITE@en[draft-ietf-http-hit-metering-00 - Simple Hit-Metering and Usage-Limiting for HTTP]]
( ([TIME[2012-01-20 20:05:43 +09:00]] 版))
<http://tools.ietf.org/html/draft-ietf-http-hit-metering-00>

[2] [CITE@en[RFC 2227 - Simple Hit-Metering and Usage-Limiting for HTTP]]
( ([TIME[2011-12-18 04:36:26 +09:00]] 版))
<http://tools.ietf.org/html/rfc2227>