Re: 3gpp-analysis document and automatic tunneling

[Fred Templin <ftemplin@IPRG.nokia.com>]

Pekka Savola wrote:

> On Thu, 29 May 2003, Fred Templin wrote:
>  
> > > The client is
> > > in different admin domain as the router
> > >
> > >      
> > No. The client gets an RA from the router that contains a non-zero
> > router lifetime and adds it to the default router list. The client is in
> > the same admin domain as the router.
> >    
> No.  AFAICS, the router belongs to the 3GPP operator.  The client belongs 
> to the 3GPP user (user device).  Right?  These are different entities.  
> Whether RA is used makes no difference.
OK, but there is no difference between this and the model in which the
GGSN is serving the mobile a native IPv6 PDP context (i.e., the GGSN
belongs to the 3GPP operator and the client belongs to the 3GPP user.)

> > > (tradeoffs of this might be
> > > manageable), as is in a different admin domain as all the other clients
> > > (which would also appear to be on the same link).
> > >
> > >      
> > All the other clients would also be on the same link as the router. 
> >    
> But also on the same link as other clients in the same 3GPP operator (or
> maybe the particular GGSN), right?  In any case, it's *NOT* a 
> point-to-point link between the router and one client, right?
No - it's a multiaccess link just like any other multiaccess link used 
for IPv6.

> > Each
> > client can request a dhcpv6 prefix delegation, with the dhcpv6 server
> > implemented on the router as allowed by the specs. Then, each client can
> > connect multiple additional hosts using the prefix delegation it
> > received from the router.
> >    
> That much is roughly clear.
OK.

Fred
ftemplin@iprg.nokia.com