Re: [v6ops] I-D Action: draft-ietf-v6ops-ula-usage-recommendations-02.txt

Brian E Carpenter <brian.e.carpenter@gmail.com> Sun, 16 February 2014 21:47 UTC

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Date: Mon, 17 Feb 2014 10:47:38 +1300
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
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To: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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Subject: Re: [v6ops] I-D Action: draft-ietf-v6ops-ula-usage-recommendations-02.txt
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On 17/02/2014 09:15, Alexandru Petrescu wrote:
...
> Also, a translating mechanism in the vehicle (from ULA prefix to the /64
> publicly routable provided by the operator) would allow for this to
> work.  This address translating mechanism may take various forms such as
> IPv6 NAT, NPT, and others which would allow network-layer reverse
> reachability.  I am not proposing this mechanism here, but it would rely
> on the easiness to make up ULAs.

That's exactly the use case we should be trying to block IMHO. An operator
that only provides a single /64 shouldn't be used for any scenario,
such as a vehicle, that needs subnets.

   Brian