RE: 3gpp transition solutions, revision -02

[Suresh K Satapati <satapati@cisco.com>]

> I'm sad now ;+)
>
> Even if I will own a dual-stack UE, I won't be able to communicate with my IPv4 stack
> if that communication was initiated through IMS :+(. I'll be forced to use my IPv6
> stack and go through a surely less efficient translation mechanism (in comparison with
> native end-to-end IPv4).
>
> I can not agree with that.

with the current state of NAT-PT, yes. but this is something that can be
fixed. there were some other problems raised by design teams, we need to put
all of those together and address them.

-Suresh

>
>
> > -----Message d'origine-----
> > De : Hesham Soliman (EAB) [mailto:hesham.soliman@era.ericsson.se]
> > Envoyé : jeudi 7 novembre 2002 16:00
> > À : BELOEIL Luc FTRD/DMI/CAE; juha.wiljakka@nokia.com;
> > v6ops@ops.ietf.org; Jonne.Soininen@nokia.com
> > Cc : MARTIQUET Nicolas FTRD/DMR/ISS
> > Objet : RE: 3gpp transition solutions, revision -02
> >
> >
> >
> >   > > => In theory, yes. But we need to get an IP n IP profile
> >   > > for ROHC. Pretty easily done.
> >   > >
> >   >
> >   > ok, and that sounds better than using translation mechanisms.
> >
> > => Sorry, I don't think this has anything to do with replacing
> > translation. We're talking about two different cases. I was
> > trying to explain that tunnelling overhead, over the air interface
> > can be removed with ROHC. That doesn't mean that IPv6 UEs will
> > not talk to IPv4 UEs.
> >
> >   > I've just tried to check that big document (TS.23060). But
> >   > I did not find your point. Anyway, if you say that is
> >   > possible, I think that this case and solution (dual-stack
> >   > UE connecting to a node via an IPv4 network through IMS)
> >
> > => I'm sorry, I don't mean to confuse you, but I was
> > saying that it is possible to allocate IPv4 addresses to
> > UEs and that it is explained in TS.23.060. This TS says
> > nothing about V4 - V6 coexistence issues
> >
> > Hesham
> >
> >
>
>