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

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
> _______________________________________________
> v6ops mailing list -- [email protected]
> To unsubscribe send an email to [email protected]
>

_______________________________________________
dhcwg mailing list -- [email protected]
To unsubscribe send an email to [email protected]