RFC 1119

Network Time Protocol (version 2) specification and implementation, September 1989

Canonical URL:
https://www.rfc-editor.org/rfc/rfc1119.txt
File formats:
Plain TextPDF PDF PostScript
Status:
INTERNET STANDARD
Obsoletes:
RFC 958, RFC 1059
Obsoleted by:
RFC 1305
Author:
D.L. Mills
Stream:
[Legacy]

Cite this RFC: TXT  |  XML

DOI:  10.17487/RFC1119

Discuss this RFC: Send questions or comments to iesg@ietf.org

Other actions: Submit Errata  |  Find IPR Disclosures from the IETF


Abstract

This document describes the Network Time Protocol (NTP), specifies its formal structure and summarizes information useful for its implementation. NTP provides the mechanisms to synchronize time and coordinate time distribution in a large, diverse internet operating at rates from mundane to lightwave. It uses a returnable-time design in which a distributed subnet of time servers operating in a self- organizing, hierarchical-master-slave configuration synchronizes local clocks within the subnet and to national time standards via wire or radio. The servers can also redistribute reference time via local routing algorithms and time daemons. [STANDARDS-TRACK]


For the definition of Status, see RFC 2026.

For the definition of Stream, see RFC 4844.


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