nanog mailing list archives

Re: Addressing plan exercise for our IPv6 course


From: Mark Smith <nanog () 85d5b20a518b8f6864949bd940457dc124746ddc nosense org>
Date: Sun, 25 Jul 2010 12:59:02 +0930

On Sat, 24 Jul 2010 19:41:18 +0100 (BST)
Brandon Butterworth <brandon () rd bbc co uk> wrote:

The RFC provides for two address ranges in fc00::/7, one for random
prefixes (fc00::/8), the other reserved for later management (fd00::/8).

Later, in some undefined way. A PI lacking enterprise considering
doing v6 this way either waits or decides the available space will do
as someone will fix the managment later. Sixxs demonstrated that some
will see a need

With low take up of v6 it's early to know what they will see important

The more important it is to you that your allocation be unique, the
more careful you will be to choose a truly random one.

So a way to have really unique is reasonable.

The chance that any
random prefix will conflict with any chosen prefix is very, very small.
The chance that two conflicting prefixes would belong to entities that
will ever actually interact is even smaller.

People still play the lotteries.


And those people, and some others by the looks of it, don't appear to
understand statistics and chance ...

brandon






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