[8] [DFN[PTP]] は、[[時刻同期]]の[[プロトコル]]の一種です。

[1] [CITE[スペシャルフォーカス: IEEE 1588 Precision Time Protocol - National Instruments]]
([TIME[2017-05-29 21:31:00 +09:00]])
<http://www.ni.com/newsletter/50130/ja/>

[2] [CITE@ja[セイコーの「うるう秒」対策(第5回) 「うるう秒」を全く使わない時間系 | セイコーソリューションズ]]
([TIME[2017-05-19 21:17:51 +09:00]])
<http://www.seiko-sol.co.jp/leap-second/no-05/>

[3] [CITE@ja[PTP(Precision Time Protocol)について調べてみた - ジョンのblog]]
([TIME[2017-05-29 21:41:25 +09:00]])
<http://john-rama01.hatenablog.com/entry/2016/09/12/192536>

[4] [CITE@en[Precision Time Protocol daemon / Wiki / Home]]
([TIME[2017-05-29 21:42:12 +09:00]])
<https://sourceforge.net/p/ptpd/wiki/Home/>

[5] [CITE@en[Precision Time Protocol - Wikipedia]]
([TIME[2017-05-15 11:20:56 +09:00]])
<https://en.wikipedia.org/wiki/Precision_Time_Protocol>

[6] [CITE@en[RFC 8186 - Support of the IEEE 1588 Timestamp Format in a Two-Way Active Measurement Protocol (TWAMP)]]
([TIME[2017-06-13 23:50:18 +09:00]])
<https://tools.ietf.org/html/rfc8186>

[7] [CITE@en[RFC 8173 - Precision Time Protocol Version 2 (PTPv2) Management Information Base]]
([TIME[2017-06-24 09:09:47 +09:00]])
<https://tools.ietf.org/html/rfc8173>

[9] [CITE@en[Time-Appliance-Project/DC-Profile at master · opencomputeproject/Time-Appliance-Project · GitHub]], [TIME[2021-08-18T02:37:37.000Z]] <https://github.com/opencomputeproject/Time-Appliance-Project/tree/master/DC-Profile>

[10] [CITE[04_71_R&D.indd - jn20170450.pdf]], [TIME[2019-07-08T00:00:00.000Z]], [TIME[2023-02-16T14:08:23.904Z]] <https://journal.ntt.co.jp/backnumber2/1704/files/jn20170450.pdf>