RFC 8633: Network Time Protocol Best Current Practices
In plain English — editorial summary, not part of the RFC
The Network Time Protocol (NTP) is one of the oldest protocols on the Internet and has been widely used since its initial publication. This document is a collection of best practices for the general operation of NTP servers and clients on the Internet. It includes recommendations for the stable, accurate, and secure operation of NTP infrastructure. This document is targeted at NTP version 4 as described in RFC 5905.
Document record
- Document ID
- RFC8633
- Published
- July 2019
- Authors
- D. Reilly; H. Stenn; D. Sibold
- Status
- BEST CURRENT PRACTICE
- Stream
- IETF
- Area
- int
- Pages
- 26
- Also known as
- BCP223
Topics
Related documents
Ranked automatically by shared keywords, IETF area and stream — not by editorial selection.
- RFC 8573Message Authentication Code for the Network Time ProtocolUpdated
June 2019
- RFC 8915Network Time Security for the Network Time ProtocolCurrent
September 2020
- RFC 8039Multipath Time SynchronizationCurrent
December 2016
- RFC 9249A YANG Data Model for NTPCurrent
July 2022
- RFC 9327Control Messages Protocol for Use with Network Time Protocol Version 4Current
November 2022
- RFC 7822Network Time Protocol Version 4 (NTPv4) Extension FieldsUpdated
March 2016
- RFC 7821UDP Checksum Complement in the Network Time Protocol (NTP)Updated
March 2016
- RFC 9523A Secure Selection and Filtering Mechanism for the Network Time Protocol with KhronosCurrent
February 2024
Also filed under
About this page
The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.
Last checked against the RFC Editor index on . RFCs are never revised after publication; changes are issued as new documents.
Data sources · Editorial policy · Report a correction · What is an RFC?