nanog mailing list archives

Re: using "reserved" IPv6 space


From: valdis.kletnieks () vt edu
Date: Wed, 18 Jul 2012 09:10:33 -0400

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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