RE: [DNA] DNA link hints document

["Soliman, Hesham" <H.Soliman@flarion.com>]

 > >  >       LAPTOP <-- PPP --> PHONE <---- GPRS ----> GGSN
 > >  >
 > >  > And the same is (obviously) true for UMTS as well...
 > >
 > > => The RAs are sent (at least according to the specs) but what you
 > > might be seeing is that the RA is only sent to the phone and is not
 > > forwarded to the laptop. So the laptop only sees a PPP connection.
 > 
 > There is still the question of how the LAPTOP gets the IPv6 
 > prefix without
 > RA.  Since PPP IPv6CP standards don't specify this, I'm at a loss to
 > explain it.

=> It doesn't get the prefix in this model.
It can only get the prefix if PPP is not there. If, for instance, 
a bluetooth PAN profile is used, then it can get the prefix through
an RA. The phone would be acting like a router in this case.

Hesham

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