RFC 2030: Simple Network Time Protocol (SNTP) Version 4 for IPv4, IPv6 and OSI
This RFC has been replaced. Do not implement against it for new work — it was formally obsoleted by RFC 4330.
Current document in this lineage: RFC 5905 — Network Time Protocol Version 4: Protocol and Algorithms Specification
In plain English — editorial summary, not part of the RFC
This memorandum describes the Simple Network Time Protocol (SNTP) Version 4, which is an adaptation of the Network Time Protocol (NTP) used to synchronize computer clocks in the Internet. This memo provides information for the Internet community. This memo does not specify an Internet standard of any kind.
Document record
- Document ID
- RFC2030
- Published
- October 1996
- Authors
- D. Mills
- Status
- INFORMATIONAL
- Stream
- Legacy
- Area
- —
- Pages
- 18
- Also known as
- —
Topics
Standards lineage
This document is one revision in a chain of 9 RFCs, each formally replacing the one before it.
- RFC 958 (1985)
- RFC 1059 (1988)
- RFC 1119 (1989)
- RFC 1305 (1992)
- RFC 1361 (1992)
- RFC 1769 (1995)
- RFC 2030 (1996)
- RFC 4330 (2006)
- RFC 5905 (2010) ✓
Read the full history of Network Time Protocol Version 4: Protocol and Algorithms Specification →
Referenced by
One later RFC formally updates or obsoletes part of this document.
Related documents
Ranked automatically by shared keywords, IETF area and stream — not by editorial selection.
- RFC 2783Pulse-Per-Second API for UNIX-like Operating Systems, Version 1.0Current
March 2000
- RFC 1119Network Time Protocol (version 2) specification and implementationObsoleted
September 1989
- RFC 1059Network Time Protocol (version 1) specification and implementationObsoleted
July 1988
- RFC 958Network Time Protocol (NTP)Obsoleted
September 1985
- RFC 1589A Kernel Model for Precision TimekeepingCurrent
March 1994
- RFC 5905Network Time Protocol Version 4: Protocol and Algorithms SpecificationUpdated
June 2010
- RFC 10030Network Time Protocol (NTP) over the Precision Time Protocol (PTP)Current
August 2026
- RFC 1361Simple Network Time Protocol (SNTP)Obsoleted
August 1992
Also filed under
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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.
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