[ntp:questions] Leap Second
Richard B. Gilbert
rgilbert88 at comcast.net
Tue Dec 2 21:01:30 UTC 2008
morsupil wrote:
> On 2 déc, 20:22, Unruh <unruh-s... at physics.ubc.ca> wrote:
>> michael.from... at gmail.com writes:
>>> Hi all,
>>> Since yesterday I saw the leap second Flag set on some servers of
>>> ntp.pool.org. I'am quite surprise because the leap second add to be
>>> set the 31/12/2008 and not the 1/12/2008.
>>> Is it normal????
>> The leap is announced at the beginning of the month to make sure that all
>> ntp clients know about it. It always occurs at the end of the month ( I
>> think ntpd has it hard coded as the end of June or Dec, but in principle it
>> could be any month)
>>
>>> Michael
>
> Mmmm
> I'm not sure...
> Here is an extract of the RFC1035 about NTP V3
>
> Leap Indicator (LI): This is a two-bit code warning of an impending
> leap
> second to be inserted/deleted in the last minute of the current day,
> with bit 0 and bit 1, respectively, coded as follows:
>
>
> Regards
>
> Michael
NTP V3.x has been obsolete for years! Current version is 4.something.
At last report, a committee was writing a new RFC for NTP V4. AFAIK,
they have been working on it for a couple of years now. I'm not going
to hold my breath.
More information about the questions
mailing list