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Re: [v6ops] Implementation Status of PREF64

Alexandre Petrescu <alexandre.petrescu@gmail.com> Thu, 07 October 2021 13:15 UTC

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From: Alexandre Petrescu <alexandre.petrescu@gmail.com>
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Date: Thu, 07 Oct 2021 15:15:18 +0200
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Subject: Re: [v6ops] Implementation Status of PREF64
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Le 30/09/2021 à 07:53, Lorenzo Colitti a écrit :
> On Wed, Sep 29, 2021 at 3:40 AM Gert Doering <gert@space.net 
> <mailto:gert@space.net>> wrote:
> 
> As a matter of fact, I know of at least one deployment in a "fortune 
> 500" company that was seriously impaired due to lack of DHCPv6
> support in Android.  They want control over address assignment,
> tracking of address assignments, and DHCP is the machinery they use
> for it (plus NAC, making sure that only assigned IPv6 addresses can
> be used).
> 
> But they want to support Android devices.
> 
> So, still no IPv6 today...
> 
> 
> Is there any other way to break this logjam than to implement DHCPv6
>  IA_NA and accept one IPv6 address per device? What about DHCPv6 PD
> or /64-per-host? What about resurrecting
> draft-ietf-dhc-addr-registration 
> <https://datatracker.ietf.org/doc/draft-ietf-dhc-addr-registration/>,
> so the device can inform the network of addresses it has created?

But to register an address in DNS with a DHCP tool one would still need
the manufacturers of modems in Android devices to unblock the DHCPv6 UDP
port numbers or the DHCP-related IP multicast addresses.

Alex

> 
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