Re: [v6ops] Apple and IPv6, a few clarifications - ND proxy for bridging hotspots

Mark Andrews <marka@isc.org> Wed, 24 June 2015 23:41 UTC

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To: Gert Doering <gert@space.net>
From: Mark Andrews <marka@isc.org>
References: <E1C235B5-1421-4DAF-A2F3-F963982233DF@apple.com> <1599CF94-9B35-4858-AD52-6FADC8F25671@apple.com> <558ABAC3.4010802@gmail.com> <20150624151015.GN67883@Space.Net> <558ACC2F.7060509@gmail.com> <20150624161858.GP67883@Space.Net>
In-reply-to: Your message of "Wed, 24 Jun 2015 18:18:58 +0200." <20150624161858.GP67883@Space.Net>
Date: Thu, 25 Jun 2015 09:41:29 +1000
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Cc: v6ops@ietf.org
Subject: Re: [v6ops] Apple and IPv6, a few clarifications - ND proxy for bridging hotspots
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In message <20150624161858.GP67883@Space.Net>et>, Gert Doering writes:
> Hi,
>
> On Wed, Jun 24, 2015 at 05:26:39PM +0200, Alexandru Petrescu wrote:
> > > Crap.  The devices on either sides will not see which method the
> device
> > > in the middle deploys to achieve reachability.
> >
> > Crap?  The smartphone doing ND proxy is useless if the car's router is
> > not doing the same.  And currently car routers dont do ND proxy.
>
> Crap.
>
> >       ----------                ---------                         ------
> > 4G--|smartphone|-----BT-------|CarRouter|------hotspotWiFi------|tablet|
> >       ----------                ---------                         ------
>
> So?  What "smartphone" does is of no interest to "CarRouter".  It
>
>  ** WILL **
>  ** NOT **
>  ** SEE **
>
> which method "smartphone" deploys to achieve reachability.

If the smart phones in doing ND proxy then there is no PD therefore
the hotspotWiFi won't have a GUA prefix.

This we will kludge cellphones instead of just doing it right in
the first place is coming back to bite us.

> Gert Doering
>         -- NetMaster
> --=20
> have you enabled IPv6 on something today...?
> 
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Mark Andrews, ISC
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