Using BIND - was Re: [ntp:questions] Re: How long doI havetowaitfor sync?

mayer mayer at
Sat Jun 4 20:02:31 UTC 2005

----- Original Message Follows -----
> At 4:27 PM +0000 2005-06-04, David J Taylor wrote:
> >  What can I say but thanks - I knew many of these things but had
> >  forgotten some and not encountered others.
>     Not a problem.  I'm glad to be able to help.
> >                                    The idea of stratum 1 NTP servers
> >  simply referring you further down the line is a fascinating one! 
> NTP V5?
>     Actually, I think that the "manycast" solution should do the job 
> just fine.  We just have to get people to support multicast mode in 
> their network code, on their network devices, and to route multicast 
> packets on their networks.  If they do that, then you'll simplify 
> your configuration a great deal, and automatically discover and use 
> nearby time servers.  It really is a nearly ideal solution, about as 
> good as you could possibly expect in the real world.
>     Everything you need is already available, it's just a matter of 
> getting people to turn on support by default out-of-the-box.  And 
> that's also the biggest problem.

It's a lot more complicated than that. Getting multicast working
is the first step. I haven't even begun to look at manycast.
IPv6 multicast is my number 1 priority right now.

> -- 
> Brad Knowles, <brad at>

More information about the questions mailing list