[1] draft-nottingham-linked-cache-inv-01 - Linked Cache Invalidation ( (2012-02-25 23:17:44 +09:00 版)) http://tools.ietf.org/html/draft-nottingham-linked-cache-inv-01#section-5

[2] draft-nottingham-linked-cache-inv-00 - Linked Cache Invalidation ( (2014-07-27 04:12:55 +09:00 版)) http://tools.ietf.org/html/draft-nottingham-linked-cache-inv-00.html#section-5