Re: [ntpwg] [dhcwg] Re: Network Time Protocol (NTP) Optionsfor DHCPv6

[Ted Lemon <[e-mail]>]

On Nov 25, 2007, at 3:24 PM, Brian Utterback wrote:
> If a client is served an IP address at start up time, it has no  
> choice but to use that address for the
> entire time it is up and running.

This is simply not true.   The client would get the currently- 
configured NTP server IP address every time it renews its lease.    
It's true that some NTP clients may not bother to check their  
configuration information for updates, but it is not true that they  
have no choice - checking for configuration updates is trivial.

Indeed, I would say that at this late date, a network service that  
gets its configuration information from the DHCP client, but does not  
follow updates to that information, is broken.  Information provided  
by the local DHCP server will most likely change when the client moves  
from network to network.   The information that worked on one network  
may not work at all on another.   This is true whether the information  
is a domain name or an IP address.


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