Re: [v6ops] How do you solve 3GPP issue if neither operator nor handset supports PD?

Lorenzo Colitti <> Fri, 27 November 2020 10:19 UTC

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From: Lorenzo Colitti <>
Date: Fri, 27 Nov 2020 19:19:42 +0900
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Subject: Re: [v6ops] How do you solve 3GPP issue if neither operator nor handset supports PD?
To: Nick Hilliard <>
Cc: Philip Homburg <>, IETF IPv6 Mailing List <>
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On Fri, Nov 27, 2020 at 7:17 PM Nick Hilliard <> wrote:

> You can't run a flexible address assignment protocol without a
> provisioning database. ND is typically implemented in o/s kernels, so
> interfacing this with user-mode radius is architecturally troublesome.
> As a separate issue, adding this level of complexity also goes against
> many of the design principals that ND was intended to fulfil.  It could
> be argued that these principals are already being infringed on, but a PD
> extension would take this several steps further.

I don't think that's the case. I'm sure there are residential broadband
deployments that use Framed-Ipv6-Prefix radius attribute to assign the
directly-connected IPv6 prefix to the customer. I once designed a network
like that many years ago, and the BNGs at that time already supported it.