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Re: [v6ops] I-D Action: draft-colitti-v6ops-host-addr-availability-01.txt

Lorenzo Colitti <lorenzo@google.com> Tue, 28 July 2015 12:05 UTC

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From: Lorenzo Colitti <lorenzo@google.com>
Date: Tue, 28 Jul 2015 21:05:05 +0900
Message-ID: <CAKD1Yr2eDdVSF4zR2ffWtu0XRs1Zf5fU+NYFVHyTeRvKKvim7A@mail.gmail.com>
To: Gert Doering <gert@space.net>
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Cc: IPv6 Operations <v6ops@ietf.org>
Subject: Re: [v6ops] I-D Action: draft-colitti-v6ops-host-addr-availability-01.txt
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On Tue, Jul 28, 2015 at 8:59 PM, Gert Doering <gert@space.net> wrote:

> (Say, 1000 hosts, all doing DHCP-PD and requesting a single /64, you'd
> need to provision at least a /54 per segment - which will increase your
> prefix usage enormously)
>
> Is that what you want?
>

It's almost exactly what we have today in IPv4 - see the section in the
draft on address space management.

That said - you don't have this problem if you use SLAAC.

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