[8] PTP は、時刻同期のプロトコルの一種です。

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

[2] 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 (2017-05-19 21:17:51 +09:00) http://www.seiko-sol.co.jp/leap-second/no-05/

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

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

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

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

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

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

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