ignore my last message, I clearly can't read :) On Wed, 28 Jul 2004 12:58:23 +1000, Ben Smith <[EMAIL PROTECTED]> wrote: > See http://livedocs.macromedia.com/coldfusion/6/CFML_Reference/functions-pt154.htm > > for documentation on how a UUID is created > > > > On Wed, 28 Jul 2004 12:33:00 +1000, Kym Kovan <[EMAIL PROTECTED]> wrote: > > Just adding to this so I can get my name on the map :-) > > > > >i should have checked the docs.. > > > > > >"time-of-day value, the IEEE 802 Host ID, and a cryptographically strong random > > >number generator" > > > > The first section is the time-based section and if I remember a quote from Robin > > (possibly?) a while back the chance of being non-unique from that section alone is > > 1 in 16 million if two requests occur on the same machine in the same 1 > > millisecond of the clock's ticks. > > > > The last section is the MAC address suitably disguised and the bits in the middle > > are the random numbers but they only change if the first section demands it. I > > recollect at a server farm in a Govt dept using Compaq servers that the first of > > the middle sections constantly changed due to the weird clustering they were > > using, I never worked that one out :-) > > > > -- > > > > Yours, > > > > Kym > > > > > > > > > > --- > > You are currently subscribed to cfaussie as: [EMAIL PROTECTED] > > To unsubscribe send a blank email to [EMAIL PROTECTED] > > Aussie Macromedia Developers: http://lists.daemon.com.au/ > > >
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