Re: [dhcwg] applicability of draft-ietf-dhc-dhcpv6-ctep-opt-01

[Ralph Droms <[e-mail]>]

It is not be necessary to touch the router in all cases...

An IPv6 "home gateway" with a single upstream interface (to
the service provider) and one or more downstream interfaces
will operate in a sufficiently constrained environment so
as to allow plug-and-play operation with only minimal
configuration (such as a prefix delegated from the service
provider).  In this case, if the service provider makes IPv6
service available through a configured tunnel, the only other
configuration required would be the address of the other
endpoint of the tunnel.  It would make sense to provide
that endpoint address through DHCP along with the delegated
prefix.

Now, the dhc WG is debating whether or not to take on this
option as a WG work item, because it applies to router
configuration rather than host configuration.  The use
case is there - it's a matter of charter scope.

- Ralph

At 09:06 AM 4/5/2004 +0300, Pekka Savola wrote:
>On Sun, 4 Apr 2004, Ted Lemon wrote:
> > On Apr 2, 2004, at 7:44 AM, Pekka Savola wrote:
> > > You're trading off having to
> > > configure 90 tunnels in 10 border routers to having to configure 90
> > > tunnels in 10 DHCPv6 servers.
> > >
> > > IMHO, in this kind of set-up, Using DHCPv6 just doesn't seem to make
> > > sense.
> >
> > Possibly it's easier to configure a DHCP server on a central server
> > somewhere with all this information rather than configuring the router,
> > because if the router dies then you have to remember to reconfigure it.
> >
> >    But basically, I don't know.   :')
>
>You'll have to reconfigure the router in any case to get the other
>connectivity working ;-).
>
>Here, you don't get aggregation benefits as you have to configure
>exactly the same information in 10 DHCPv6 servers as you'd have to do
>in 10 routers.  If you would only need to configure 1 DHCPv6 server to
>get the config to all the routers, some folks might think this gives
>additional benefits.
>
>--
>Pekka Savola                 "You each name yourselves king, yet the
>Netcore Oy                    kingdom bleeds."
>Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings
>
>
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