History

Time	Change
2015-05-20 12:34:55+00:00	Created
2015-05-20 12:34:55+00:00	Associated with PING
2015-05-27 08:37:38+00:00	Associated with Opaque Data
2015-05-27 08:37:38+00:00	Associated with ACK
2015-05-27 08:37:38+00:00	Associated with opaque data
2015-05-27 08:37:38+00:00	Associated with 不透明データ