[dhcwg] Re: [IPv6]Re: [v6ops] Android now supports DHCPv6 PD

There was a typo in the original post. It was fixed earlier today; it now
says "Android 11 and above"

On Tue, Sep 16, 2025 at 3:21 PM Maciej Żenczykowski <maze=
[email protected]> wrote:

> There's a reddit thread:
>
>
> https://www.reddit.com/r/Android/comments/1nhzsst/android_developers_blog_simplifying_advanced/
>
> First comment:
>
> There's a mistake in the page: running Android and above before the
> end of the year via a Google Play System Update.
>
> Which version?
>
>
> On Tue, Sep 16, 2025 at 3:59 AM Stan Barber <[email protected]> wrote:
> >
> > Congrats!
> >
> > On Mon, Sep 15, 2025 at 6:32 PM Lorenzo Colitti <lorenzo=
> [email protected]> wrote:
> >>
> >> FYI, we announced DHCPv6 PD support on Android today:
> >>
> >>
> https://android-developers.googleblog.com/2025/09/simplifying-advanced-networking-with.html
> >>
> >> This change should already be live on most Android devices running
> Android 11 and above. Specifically:
> >>
> >> RFC 9762: if the P flag is set, the device will ask for a SLAAC-sized
> prefix, and if it gets it, use it to form addresses. Some devices will also
> disable SLAAC as per the SHOULD in the RFC. Not all devices will support
> this because it requires a kernel change which will be rolling out over the
> coming months. In future releases, we expect that the prefix will be shared
> with downstream devices, wearable devices, VMs, etc.
> >> Heuristic: if the device obtains a default route but not PIO, it will
> ask for a prefix, and if it gets it, use it to form addresses. This allows
> DHCPv6-only networks to support Android devices today without having to
> upgrade their routers to set the P flag.
> >>
> >> Over the next few months we also plan to roll out support for DHCPv6
> address registration (RFC 9686).
> >>
> >> I would like to thank everyone who contributed to RFC 9663, RFC 9762
> and RFC 9686. We think that DHCPv6 PD is *better* than either SLAAC or
> IA_NA, because it allows the device to provide end-to-end connectivity to
> unlimited devices, containers, VMs etc. without scaling load on the
> network. Plus the prefix can be tracked and managed by the operator, which
> means that it should be possible to deploy it in networks that require
> DHCPv6 or that have scaling issues dealing with many addresses. We hope
> that this will allow at least some enterprise operators to deploy IPv6 to
> Android devices.
> >>
> >> Cheers,
> >> Lorenzo
> >> _______________________________________________
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> >
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>
> --
> Maciej Żenczykowski, Kernel Networking Developer @ Google
>

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