using "reserved" IPv6 space

valdis.kletnieks at vt.edu valdis.kletnieks at vt.edu
Wed Jul 18 08:10:33 CDT 2012


On Wed, 18 Jul 2012 10:04:05 +0300, Saku Ytti said:

> However I'm not sure what would be good seed? ISO3166 alpha2 +
> domestic_business_id + 0..n (for nth block you needed)

You want to roll in at some entropy by adding in the current date or
something, so two "Joes' Burritos and Internet" in 2 different states don't
generate the same value.  There's a reason that 4193 recommends
a 64bit timestamp and an EUI64.

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