I-D ACTION:draft-mills-sntp-v4-00.txt
Internet-Drafts@ietf.org Wed, 17 September 2003 14:10 UTC
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Subject: I-D ACTION:draft-mills-sntp-v4-00.txt
Date: Wed, 17 Sep 2003 09:50:42 -0400
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A New Internet-Draft is available from the on-line Internet-Drafts directories. Title : Simple Network Time Protocol (SNTP) Version 4 for IPv4, IPv6 and OSI Author(s) : D. Mills Filename : draft-mills-sntp-v4-00.txt Pages : 27 Date : 2003-9-17 This memorandum describes the Simple Network Time Protocol (SNTP) Version 4, which is a subset of the Network Time Protocol (NTP) used to synchronize 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. A URL for this Internet-Draft is: http://www.ietf.org/internet-drafts/draft-mills-sntp-v4-00.txt To remove yourself from the IETF Announcement list, send a message to ietf-announce-request with the word unsubscribe in the body of the message. Internet-Drafts are also available by anonymous FTP. Login with the username "anonymous" and a password of your e-mail address. After logging in, type "cd internet-drafts" and then "get draft-mills-sntp-v4-00.txt". A list of Internet-Drafts directories can be found in http://www.ietf.org/shadow.html or ftp://ftp.ietf.org/ietf/1shadow-sites.txt Internet-Drafts can also be obtained by e-mail. Send a message to: mailserv@ietf.org. In the body type: "FILE /internet-drafts/draft-mills-sntp-v4-00.txt". NOTE: The mail server at ietf.org can return the document in MIME-encoded form by using the "mpack" utility. To use this feature, insert the command "ENCODING mime" before the "FILE" command. To decode the response(s), you will need "munpack" or a MIME-compliant mail reader. Different MIME-compliant mail readers exhibit different behavior, especially when dealing with "multipart" MIME messages (i.e. documents which have been split up into multiple messages), so check your local documentation on how to manipulate these messages. Below is the data which will enable a MIME compliant mail reader implementation to automatically retrieve the ASCII version of the Internet-Draft.
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