DHCPv6-full (for host) and DHCPv6-PD (for CPE) has timers such as T1,
T2, and lifetimes, so clients poll their servers periodically and
could realize a DNS recursive name server renumbering as a "side effect".

Because DHCPv6-lite and DNS Recursive Name Server option has no timer,
once a client configured its address with RA and knew a DNS recursive
name server address with DHCPv6-lite, a chance for the client to
realize a renumbering might be its reboot.

On Thu, 06 Nov 2003 22:18:37 -0500,
Ralph Droms <[EMAIL PROTECTED]> wrote:
> Fair enough, but asynchronous notification of configuration changes hasn't
> been a requirement in IPv4 (well, there is the FORCERENEW message in RFC
> 3203; as far as I know there are no implementations of RFC 3203).  Why would
> it be needed for IPv6?
> 
> - Ralph
> 
> At 11:29 AM 11/7/2003 +0900, SHIRASAKI Yasuhiro wrote:
> > > 1. a "stateless" subset of the current DHCPv6, as specified in
> > >    draft-ietf-dhc-dhcpv6-stateless-01.txt
> > > 2. an extension to the current DHCPv6 that has the ability to
> > >    multicast the stateless information (that I guess Alain first
> > >    proposed)
> >
> > >       (i).    In what way is DHCPv6-lite insufficient?
> >
> >DHCPv6-lite has no way to inform a DNS recursing server renumbering.
> >A DHCPv6-lite server could send Reconfigure messages for its clients,
> >if the server hold a client list, but it's not -lite.
> >
> >DHCPv6-lite with a multicast extension might help this.

--
SHIRASAKI Yasuhiro @ NTT Communications
t: +81-3-6800-3262, f: +81-3-5365-2990
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