[ntpwg] Updated NTPv4 Protocol Specification

[TS Glassey]

----- Original Message ----- 
From: "David L. Mills" <mills at udel.edu>
To: "NTP Working Group" <ntpwg at lists.ntp.isc.org>
Sent: Tuesday, January 15, 2008 4:44 PM
Subject: Re: [ntpwg] Updated NTPv4 Protocol Specification


> Brian,
> 
> Two comments. First, the draft is in Unix format and has to be converted 
> to read on a Windows machine. I don't know if this is IETF policy, but 
> it would be consistent with the fascist views of that management.

Or make a PDF of it as well.

> 
> Second, the problem with most of the suggestions on the timing point is 
> that they cannot be implemented. Unless the timing point is on the PHY 
> media there is no way that hardware or software can implement it. This 
> is the same issue raised in IEEE 2588. It must be addressed separately 
> for each PHY, as is done in 1588. In the Ethernet case it is the 
> beginning of the first bit following the last bit of the SOF octet.
> 
> Dave
> 
> Brian Haberman wrote:
> 
>> NTP WG,
>> The latest NTPv4 protocol specification has been published. This
>> revision should address all Last Call issues raised except for
>> additional text on the timing reference point. I did not see any
>> consensus on the mailing list on the text proposed by Rich Osman using
>> the LI as the reference point. Please review this version for all other
>> changes.
>>
>> If you have comments on the reference point for the start time,
>> please post that to the mailing list.
>>
>> Regards,
>> Brian
>>
>>
>> -------- Original Message --------
>> Subject: I-D ACTION:draft-ietf-ntp-ntpv4-proto-08.txt
>> Date: Mon, 19 Nov 2007 12:15:01 -0500
>> From: Internet-Drafts at ietf.org
>> Reply-To: internet-drafts at ietf.org
>> To: i-d-announce at ietf.org
>> CC: ntpwg at lists.ntp.isc.org
>>
>> A New Internet-Draft is available from the on-line Internet-Drafts
>> directories.
>> This draft is a work item of the Network Time Protocol Working Group of
>> the IETF.
>>
>> Title : Network Time Protocol Version 4 Protocol And Algorithms
>> Specification
>> Author(s) : J. Burbank, et al.
>> Filename : draft-ietf-ntp-ntpv4-proto-08.txt
>> Pages : 108
>> Date : 2007-11-19
>>
>> The Network Time Protocol (NTP) is widely used to synchronize
>> computer clocks in the Internet. This document describes NTP Version
>> 4 (NTPv4), which is backwards compatible with NTP Version 3 (NTPv3)
>> described in RFC 1305, as well as previous versions of the protocol.
>> NTPv4 includes a modified protocol header to accommodate the Internet
>> Protocol Version 6 address family. NTPv4 includes fundamental
>> improvements in the mitigation and discipline algorithms which extend
>> the potential accuracy to the tens of microseconds with modern
>> workstations and fast LANs. It includes a dynamic server discovery
>> scheme, so that in many cases specific server configuration is not
>> required. It corrects certain errors in the NTPv3 design and
>> implementation and includes an optional extension mechanism.
>>
>> A URL for this Internet-Draft is:
>> http://www.ietf.org/internet-drafts/draft-ietf-ntp-ntpv4-proto-08.txt
>>
>> _______________________________________________
>> ntpwg mailing list
>> ntpwg at lists.ntp.org
>> https://lists.ntp.org/mailman/listinfo/ntpwg
> 
> 
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