Hello Karim,

I have no problem with the words in your note, but then you
have to rename the draft to be "IPv6-over-nearterm-3G", or
better, "IPv6-over-3GPPr5-PDP".  That gets the point across.

If it's "IPv6-over-cellular", then you have to write
the specification to apply to ALL cellular systems, current
and future.  That was the point in my note you quoted.

Regards,
Charlie P.



"Karim El-Malki (ERA)" wrote:
> 
> I'd prefer dealing with what we have now first since I'd
> like to see v6 deployed in 3g in the near term.
> We could discuss for a long time on how to improve a certain
> cellular system and we probably all have our ideas
> but that discussion would not belong here.
> 
> Regarding the DAD issue, it's the same thing that
> can be done on any PPP link between a host and a router
> with prefix delegation. DAD can be disabled there,
> so no point of saying it can't be done in a cellular system
> that is the same as that PPP link from the IPv6 point of view.
> 
> /Karim
> 
>  > -----Original Message-----
>  > From: Charles E. Perkins [mailto:[EMAIL PROTECTED]]
>  > Sent: den 6 mars 2002 22:38
>  > To: Karim El-Malki (ERA)
>  > Cc: [EMAIL PROTECTED]
>  > Subject: Re: Should DAD be optional?
>  > [Wasdraft-ietf-ipv6-cellular-host-00.txt -> wg last call?]
>  >
>  >
>  > Hello Karim,
>  >
>  > "Karim El-Malki (ERA)" wrote:
>  >
>  > > I agree that it would be good to see some guidelines in an
>  > > informational doc. However I disagree on the title change to
>  > > IPv6 over cellular/3g. That is a different spec which we should
>  > > also work on.
>  >
>  > It is possible to design "cellular" systems where the
>  > 3GPP/PDP address assignment is completely replaced by
>  > localized, stateless methods.  The way that addresses
>  > are assigned is not related to bandwidth, nor even to
>  > essential authorization issues.  It's an artifact of
>  > near-compatibility with existing 2.5G layouts.  GGSN
>  > does not NECESSARILY need to control this process.
>  >
>  > Thus, any document which recommends that DAD or Neighbor
>  > Discovery might be executed rarely if ever, would not fit
>  > such "cellular" systems as I would hope eventually do
>  > come about.
>  >
>  > Regards,
>  > Charlie P.
>  >
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