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- Subject: Re: A major problem with the Lua ecosystem
- From: Sean Conner <sean@...>
- Date: Thu, 1 Feb 2018 17:13:28 -0500
It was thus said that the Great Paige DePol once stated:
> Actually, if anything, you would almost need to create some
> sort of central registry to manage the UUIDs used by people
> and organisations and to map UUIDs to some logical names.
Not really. The generally used format for UUID is version 4  is
randomly generated, and it's considered unlikely that randomly generated
UUIDs will clash (it's possible, but very unlikely). And most modern Unix
systems (at least Linux and Mac OS-X, both of which I tested) come with a
command (uuidgen) that generates UUIDs.
There are other versions as well---version 1 (not generally recommended
because of security concerns ) is well guarenteed to be unique since it's
based off the time of generation, and versions 3 and 5 use various hash
algorithms to generate UUIDs.
This really depends upon a organization (or person) consistently using the
same UUID for each module released.
 It embeds the MAC address of the generating node inside the UUID.