歴史

[12] RFC 958 - Network Time Protocol (NTP), 2021-01-31T15:40:09.000Z, 2021-03-10T06:34:38.967Z https://tools.ietf.org/html/rfc958

[13] RFC 1059 - Network Time Protocol (version 1) specification and implementation, 2021-01-24T15:49:45.000Z, 2021-03-12T08:48:43.271Z https://tools.ietf.org/html/rfc1059

[18] rfc1119.pdf, 2020-11-28T21:33:03.000Z, 2021-03-13T09:35:55.988Z https://tools.ietf.org/pdf/rfc1119.pdf

[15] rfc1128.pdf, 2020-12-14T04:53:11.000Z, 2021-03-13T07:19:02.313Z https://tools.ietf.org/pdf/rfc1128.pdf

[14] rfc1129.pdf, 2021-02-08T13:57:58.000Z, 2021-03-13T07:17:48.938Z https://tools.ietf.org/pdf/rfc1129.pdf

[16] RFC 1165 - Network Time Protocol (NTP) over the OSI Remote Operations Service, 2021-01-24T23:31:21.000Z, 2021-03-13T08:03:08.600Z https://tools.ietf.org/html/rfc1165

[17] RFC 1305 - Network Time Protocol (Version 3) Specification, Implementation and Analysis, 2021-01-31T08:18:56.000Z, 2021-03-13T09:34:54.014Z https://tools.ietf.org/html/rfc1305

[20] RFC 1361 - Simple Network Time Protocol (SNTP), 2021-02-21T08:20:42.000Z, 2021-03-14T03:56:38.145Z https://tools.ietf.org/html/rfc1361

[21] RFC Errata Report » RFC Editor, 2021-03-14T03:58:03.000Z https://www.rfc-editor.org/errata_search.php?rfc=1361

[19] RFC 1589 - A Kernel Model for Precision Timekeeping, 2021-01-24T09:25:39.000Z, 2021-03-14T03:55:39.362Z https://tools.ietf.org/html/rfc1589

[22] RFC 1769 - Simple Network Time Protocol (SNTP), 2021-01-24T08:14:03.000Z, 2021-03-16T09:05:27.596Z https://tools.ietf.org/html/rfc1769

[23] RFC 2030 - Simple Network Time Protocol (SNTP) Version 4 for IPv4, IPv6 and OSI, 2021-01-24T11:07:32.000Z, 2021-03-22T09:56:16.435Z https://tools.ietf.org/html/rfc2030

[24] RFC Errata Report » RFC Editor, 2021-03-22T09:56:33.000Z https://www.rfc-editor.org/errata_search.php?rfc=2030

[1] ioerror/tlsdate ( (2014-10-19 01:03:16 +09:00 版)) https://github.com/ioerror/tlsdate

[2] NTPプロジェクトの資金難、現在も改善せず | スラドデベロッパー (2016-11-30 19:46:32 +09:00) https://developers.srad.jp/story/16/11/30/0557259/

[3] 「時の翁」が握るNTPの運命 | スラドオープンソース (2016-11-30 19:49:18 +09:00) https://opensource.srad.jp/story/15/03/14/2216237/%E3%80%8C%E6%99%82%E3%81%AE%E7%BF%81%E3%80%8D%E3%81%8C%E6%8F%A1%E3%82%8BNTP%E3%81%AE%E9%81%8B%E5%91%BD

[4] ntp.org: Home of the Network Time Protocol ( (NTP Webmaster, webmaster@ntp.org著, 2017-03-04 12:52:30 +09:00)) http://www.ntp.org/

[5]

セイコーの「うるう秒」対策(第6回)うるう秒対策はもうお済ですか? | 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-06/

4K/8Kの放送を支える次世代メディア伝送技術MMT(MPEG Media Transport)には、NTP形式の時刻情報が含まれ、「うるう秒」指示子が存在することにも注意が必要です。

[7] 福岡大学公開NTPサービス

[8] RFC 8633 - Network Time Protocol Best Current Practices (2019-09-11 05:34:15 +09:00) https://tools.ietf.org/html/rfc8633

[9] NTPサーバの一部が2000年に逆戻りしてしまう事態が発生 - GIGAZINE (2019-11-07 20:24:24 +09:00) https://gigazine.net/news/20121121-computer-clocks-back-to-2000/

[10] さくらインターネット、福岡大学と協力し世界最速クラスのハードウェア時刻同期(NTP)サーバーを自社開発 ~FPGAベースの公開NTPサービスをトライアル提供~ | さくらインターネット (2020-03-18 21:55:26 +09:00) https://www.sakura.ad.jp/information/pressreleases/2020/03/17/1968203094/

[11] さくらインターネット | FPGA-NTP サーバ特設実験サイト (2020-03-18 21:56:00 +09:00) https://elab.sakura.ad.jp/ntp-trial/

[25] rfc4075, 2021-07-05T05:48:50.000Z https://datatracker.ietf.org/doc/html/rfc4075

[27] RFC 4330: Simple Network Time Protocol (SNTP) Version 4 for IPv4, IPv6 and OSI, 2023-03-24T05:32:08.000Z https://www.rfc-editor.org/rfc/rfc4330.html

[28] RFC Errata Report » RFC Editor, 2023-03-24T05:33:04.000Z https://www.rfc-editor.org/errata/rfc4330

[29] Authenticated Network Time Synchronization | USENIX, 2023-04-27T11:34:01.000Z, 2023-04-27T11:36:47.043Z https://www.usenix.org/conference/usenixsecurity16/technical-sessions/presentation/dowling