Re: Why ULA: low collision chance (Was: IPv6 fc00::/7 — Unique local addresses)
Owen DeLong
owen at delong.com
Thu Oct 21 23:43:02 UTC 2010
On Oct 21, 2010, at 6:02 AM, William Herrin wrote:
> On Thu, Oct 21, 2010 at 8:14 AM, Ray Soucy <rps at maine.edu> wrote:
>> That's assuming ULA would be the primary addressing scheme used. If
>> that became the norm, I agree, the extra uniqueness would be
>> desirable, perhaps to the point that you should be asking an authority
>> for FC00::/8 space to be assigned. But then why wouldn't you just ask
>> for a GUA at that point.
>
> Because you might want space that doesn't route on the Internet so
> that if your routes accidentally leak external folks still can't reach
> you?
>
That is, at best, a false sense of security which is worse than no security.
Owen
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