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Re: [v6ops] WGLC: draft-ietf-v6ops-unique-ipv6-prefix-per-host-02 - multiple prefixes per device

Gert Doering <gert@space.net> Thu, 16 March 2017 20:14 UTC

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Date: Thu, 16 Mar 2017 21:14:13 +0100
From: Gert Doering <gert@space.net>
To: Brian E Carpenter <brian.e.carpenter@gmail.com>
Cc: otroan@employees.org, Alexandre Petrescu <alexandre.petrescu@gmail.com>, v6ops@ietf.org
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Subject: Re: [v6ops] WGLC: draft-ietf-v6ops-unique-ipv6-prefix-per-host-02 - multiple prefixes per device
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Hi,

On Fri, Mar 17, 2017 at 06:31:43AM +1300, Brian E Carpenter wrote:
> So, it seems clear to me that while getting a /64 is better than getting
> a /128, it's even better to get a /56. Or even one of those 15 trillion /48s.
> We should make it clear that /64 is not even second-best. Just better
> than /128.

"give any *host* that connects a /48" (and dimension pools on WiFi
hotspots etc. big enough to actually be able to do this) might actually 
be a good way to ensure IPv6 is going to run out faster than expected...

IOW, be careful with the maths here.

Gert Doering
        -- NetMaster
-- 
have you enabled IPv6 on something today...?

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