[ntp:hackers] Leap second list file

Danny Mayer mayer at ntp.org
Sun Jan 15 22:40:58 UTC 2012


On 1/15/2012 3:16 PM, Warner Losh wrote:
> 
> On Jan 15, 2012, at 10:00 AM, Danny Mayer wrote:
> 
>> On 1/6/2012 10:35 AM, Havard Eidnes wrote:
>>>>> Is this the proper way to act as an information provider in this
>>>>> day and age?  My take is "No, it most certainly is not, and
>>>>> instead it casts into doubt their long-term reliability as a
>>>>> source of this information".
>>>>
>>>> Please point us to the official Norwegian site which hosts this
>>>> information?
>>>
>>> I thought one global official information source would be
>>> sufficient?  It's also the only source documented in the NTP
>>> documentation.
>>
>> Actually, part of the protocol indicates the leap second is coming up.
>> You don't have to copy leap second files to get the notification. See
>> RFC 5905 Section 7.3 on the LI bits. It gets set during the month in
>> which the leap second is to be added or removed.
> 
> Except that you don't know how many leap seconds have elapsed.  This makes running the 'right' time zone impossible.
> 

There is no 'right' timezone. ntpd knows nothing about timezones. Only
about leapseconds.

Danny

> Warner
> 
> 



More information about the hackers mailing list