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From Emmanuel Lecharny <>
Subject Re: Configuring the NTP server
Date Wed, 18 Jan 2012 15:19:40 GMT
On 1/18/12 3:07 PM, Alex Karasulu wrote:
> On Wed, Jan 18, 2012 at 3:44 PM, STF<>  wrote:
>> I'm wondering why ApacheDS also provides NTP service.  Is NTP a compulsory
>> part of LDAP?
> NTP is not a compulsory part of ApacheDS. ApacheDS has a modular network
> layer to allow any kind of directory backed protocol to be plugged into it
> to serve directory data in another protocol like DNS, DHCP, or Kerberos.
> Now we just wrote an NTP module because (1) it was easy to do so to test
> the layer along side LDAP and Kerberos (2) Kerberos might need it to
> synchronize time across ApacheDS instances. Kerberos is time sensitive.
>> Not that I don't like it, but normally it would be better to have
>> specialized softwares (ie concentrate in one thing) than "Swiss army knife"
>> softwares which normally would tend to have average performance.
> Understood this does not at first seem close to the very important UNIX
> philosophy making a single thing do that thing really well. We do have this
> philosophy for the modules. If you want it plug it in if not don't.
>> And NTP service could be provided either by another software or by the
>> underlying O/S
> Sometimes people screw up and don't do this right so we included it in case
> it's needed for Kerberos. It was really easy to do so we did it. Later on
> it might prove very useful when the Kerberos becomes more popular.

Also note that this is not even close to be a NTP server : it just 
delivers the local computer time, nothing more, so if your local 
computer is not NTP synchronized itself, then it may be totally inaccurate.

Pretty much a proof of concept, as Alex said...

Emmanuel L├ęcharny

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