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

james woodyatt <jhw@google.com> Thu, 16 March 2017 19:02 UTC

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From: james woodyatt <jhw@google.com>
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Date: Thu, 16 Mar 2017 12:02:03 -0700
Cc: Tim Chown <Tim.Chown@jisc.ac.uk>, Gert Doering <gert@space.net>, "v6ops@ietf.org" <v6ops@ietf.org>
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To: joel jaeggli <joelja@bogus.com>
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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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On Mar 16, 2017, at 02:25, joel jaeggli <joelja@bogus.com> wrote:
> 
> then it should probably do PD, otherwise it gets precisely one /64
> subnet which might be enough but why constrain youself in that way.

We’re not going to refuse to forward packets just because we can’t get a prefix delegated from a customer edge router that supports hosts but won’t delegate prefixes to them. To cope with that scenario, we’re going to do one of two things: either NAT66 (address+port amplification) or ND proxy for /64 sharing. And once we do either one of those, we pretty much don’t need DHCP prefix delegation.

"Choose the form of the destructor!” [1]


--james woodyatt <jhw@google.com>

[1] <https://www.youtube.com/watch?v=dNAQ9lbe3kw>

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