Name: draft-mills-sntp-v4-00
Title: Simple Network Time Protocol (SNTP) Version 4 for IPv4, IPv6 and OSI
State: Pending
Authors: David Mills
Group: Individual Submissions (none)
Date: 2003-09-17
This memorandum describes the Simple Network Time Protocol (SNTP) Version
computer clocks in the Internet. SNTP can be used when the ultimate
performance of the full NTP implementation described in RFC 1305 is not
needed or justified. SNTP Version 4 clarifies certain design features of
NTP which allow operation in a simple, stateless remote-procedure call
(RPC) mode with accuracy and reliability expectations similar to the
UDP/TIME protocol described in RFC 868. The only significant protocol
change in SNTP Version 4 is a modified header interpretation to accommodate
Internet Protocol Version 6 (IPv6) (RFC 1883) and OSI (RFC 1629)
addressing. However, SNTP Version 4 includes an anycast mode and a
public-key based authentication scheme designed specifically for broadcast
and anycast applications. The authentication scheme extension is described
in another RFC. Until a definitive specification is published, these
extensions should be considered provisional. In addition, this memo
introduces the kiss-o'-death message, which can be used by servers to
suppress client requests as circumstances require. This memorandum
obsoletes RFC 1769, which describes SNTP Version 3, and RFC 2030, which
describes SNTP Version 4.
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