On Wed, Apr 17, 2019 at 08:06:05PM -0000, Curt wrote:
On 2019-04-17, Pascal Hambourg <pas...@plouf.fr.eu.org> wrote:
Le 17/04/2019 à 18:42, Michael Stone a écrit :
On Wed, Apr 17, 2019 at 12:38:11PM -0400, Celejar wrote:
On Wed, 17 Apr 2019 12:10:56 -0400 Michael Stone <mst...@debian.org>
wrote:
On Wed, Apr 17, 2019 at 11:57:43AM -0400, Celejar wrote:
>I was rather shocked to see that there was no definitive solution to
>avoid address collisions
Sure there is--globally unique IPs.
I assume you're referring to IPv6? I was referring to IPv4.
It applies to both, though we've run out of IPv4. There's no other way
to guarantee the absence of network collisions.
A properly generated IPv6 ULA (Unique Local Address) prefix is unlikely
to have collisions.
I thought that was exactly what he was saying.
No, the ULA is the IPv6 equivalent of RFC1918 space--you can use it
internally without central registration by choosing a subnet from
fd00::/8. The space is so much larger that it's much less likely that
two sites would pick the same prefix, but there are no guarantees.