>Dave, > > > Thanks for that. Does anybody know why there's a 17-character prefix to > > the > > UUID? If the UUID algorithm is based on time down to the milliseconds > > (which > > is what I remember reading somewhere), there shouldn't really be a need > > for > > it, should there be? > >The definition of a UUID says that it should be unique, not only via time, >but also across machines. A UUID (according to the spec) should be a number >that's not replicable across machines and is unique. Since only going off >milliseconds would allow multiple machines to create the same UUID (if they >attempted to create the number at when the machine was reporting the same >time, you could have identical keys. > >The idea of a UUID is that you should never be able to replicate the number >again--regardless of the computer it's running on. Theoretically it's a >true >one time number. >
Dan, Thanks for the explanation. I should have written that time down to the milliseconds was *part* of the algorithm, which is what was in my head, but didn't translate to the keyboard. Regards, Dave. _________________________________________________________________ Protect your PC - get McAfee.com VirusScan Online http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Archives: http://www.houseoffusion.com/cf_lists/index.cfm?forumid=4 Subscription: http://www.houseoffusion.com/cf_lists/index.cfm?method=subscribe&forumid=4 FAQ: http://www.thenetprofits.co.uk/coldfusion/faq Your ad could be here. Monies from ads go to support these lists and provide more resources for the community. http://www.fusionauthority.com/ads.cfm Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4
