A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Using NTP Extension Fields without Authentication
Author(s) : Tal Mizrahi
Danny Mayer
Filename : draft-mizrahi-ntp-extension-field-02.txt
Pages : 9
Date : 2013-07-10
Abstract:
The Network Time Protocol Version 4 (NTPv4) defines the optional
usage of extension fields. An extension field is an optional field
that resides at the end of the NTP header, and can be used to add
optional capabilities or additional information that is not conveyed
in the standard NTP header. The current definition of extension
fields in NTPv4 is somewhat ambiguous regarding the connection
between extension fields and the presence of a Message Authentication
Code (MAC). This draft clarifies the usage of extension fields in the
presence and in the absence of a MAC, while maintaining
interoperability with existing implementations.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-mizrahi-ntp-extension-field
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-mizrahi-ntp-extension-field-02
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-mizrahi-ntp-extension-field-02
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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