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Re: [v6ops] iOS12 IPv6-only

Joel Jaeggli <joelja@bogus.com> Mon, 29 October 2018 15:03 UTC

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From: Joel Jaeggli <joelja@bogus.com>
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Date: Mon, 29 Oct 2018 08:03:16 -0700
Cc: Alexandre Petrescu <alexandre.petrescu@gmail.com>, v6ops@ietf.org
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To: Mikael Abrahamsson <swmike@swm.pp.se>
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Subject: Re: [v6ops] iOS12 IPv6-only
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> On Oct 29, 2018, at 07:35, Mikael Abrahamsson <swmike@swm.pp.se> wrote:
> 
> On Mon, 29 Oct 2018, Alexandre Petrescu wrote:
> 
>> I guess these phones dont understand the bit 'L' in RA to stand for 'on-link' prefix, right?  (the link between phone and PGW is distinct than the wifi link; one bit can not hold three values).
> 
> The link between PGW and phone is a point-to-point link. No ND is performed. PGW doesn't have any addresses on this link.

ND and the associated collection of host routes does not scale in this context, so this is essentially prefix per host. What you do with it ultimately is your business…

> 
> If you want to nit-pick that into this being two links that's fine, but it's also pointless. 64SHARE works fine and has been deployed into billions of devices.


> 
> -- 
> Mikael Abrahamsson    email: swmike@swm.pp.se
> 
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