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RFC 9769: NTP Interleaved Modes

In plain English — editorial summary, not part of the RFC

This document specifies interleaved modes for the Network Time Protocol (NTP). These new modes improve the accuracy of time synchronization by enabling the use of more accurate transmit timestamps that are available only after the transmission of NTP messages. These enhancements are intended to improve timekeeping in environments where high accuracy is critical. This document updates RFC 5905 by defining these new operational modes.

Document record

Document ID
RFC9769
Published
May 2025
Authors
M. Lichvar; A. Malhotra
Status
PROPOSED STANDARD
Stream
IETF
Area
int
Pages
13
Also known as
—
Updates:
RFC 5905

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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.

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canonical URL: /rfc/9769-ntp-interleaved-modes