I would rather lobby the Linux kernel people to give me 128bit IDs That would solve all problems, as the chance of collision in a carefully randomly selected 90something bit prefix are basically none.
Simo. On Thu, 2011-10-27 at 20:40 +0000, Steven Jones wrote: > Yes I can appreciate that, we have done the same thing im '500'... > > oops.... > > As an educational setup we are looking to federate worldwide, that > means Shibboleth or similar....a unique UID per academic world wide > might be worthwhile....there wont be 2billion > academics...students...well i guess that would one day be a "ipv4" > problem. > > Steven Jones > > Technical Specialist - Linux RHCE > > Victoria University, Wellington, NZ > > 0064 4 463 6272 > > ________________________________________ > From: Rob Crittenden [rcrit...@redhat.com] > Sent: Friday, 28 October 2011 9:34 a.m. > To: Steven Jones > Cc: Adam Young; firstname.lastname@example.org > Subject: Re: [Freeipa-users] Unique world wide UIDS > > Steven Jones wrote: > > Hi, > > > > Well if you understand Peak Oil and that the "green revolution" was > actually truning fossil fuel into food ie we eat oil....only having > 2billion UIDs wont be a problem. > > > > :/ > > Many, many organizations start with the same uid base, 500 or 1000. > When > company A buys company B there are tons and tons of uid collisions. If > each started at a random start point then the chances of collision, > while not zero, are much lower. > > Our goal wasn't to guarantee uniqueness in the universe, just to make > integration hopefully easier in the future when namespaces are merged. > > rob > > > _______________________________________________ > Freeipa-users mailing list > Freeipaemail@example.com > https://www.redhat.com/mailman/listinfo/freeipa-users -- Simo Sorce * Red Hat, Inc * New York _______________________________________________ Freeipa-users mailing list Freeipafirstname.lastname@example.org https://www.redhat.com/mailman/listinfo/freeipa-users