Talk:Globally unique identifier
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This is a terrible idea..
let me get this straight. Assuming a dupe GUIDs causes a fatal error, and assuming the average computer generates and stores some 1000 GUIDs in the course of its lifetime... one in 530 nonillion computers will just randomly crash? No matter how astronomically improbable, this is clearly not the Right Way. --frotht 15:16, 2 August 2007 (UTC)
- Then what do you propose? In some circumstances it is necessary to be able to generate reasonably unique identifiers without the use of some kind of central authority. Or it may happen that the drawbacks of using such a central authority outweigh the chance of a GUID clash. GUID's solve this problem. If you have a problem that cannot be solved using GUID's, then don't use them. Talking about the Right Way like you do is meaningless - what is the right way depends on the problem you want to solve, and GUID's are pretty adequate at solving the problem they were designed to solve. In that sense, GUID's are the right way, but note that I refuse to use capitals here, since, as I said, the right way depends on the problem that needs to be solved. Shinobu 21:17, 24 August 2007 (UTC)
- Agreed, but regardless of anyone's opinion of GUIDs, the fact is that they exist and are a crucial part of much software development and usage. Thus, I don't see what this discussion serves the article, unless you have referencable sources that criticise GUIDs. — Preceding unsigned comment added by Ouizardus (talk • contribs) 18:10, 13 December 2012 (UTC)
- Other plausible methods such as giving every device a unique prefix to tag onto its own sequence of numbers are also open to risk, for example security, the method makes your machine potentially identifiable based on GUIDs emanating from it. Organization - it's likely that some manufacturer, somewhere, would get this wrong, possibly due to counterfeiting, and the whole system of GUIDs would become infested with duplicates.
- A computer device is not 100% dependable. Information can be corrupted at any time due to radiation, your devices actually use the laws of probability to 'nearly always' fix this for you - but there is a finite chance of undetected corruption. Gomez2002 (talk) 11:01, 22 September 2016 (UTC)
Merge into Universally unique identifier
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ranging from guaranteed uniqueness to likely duplicates
I think this should be changed from 'ranging from guaranteed uniqueness to likely duplicates' to 'ranging from likely uniqueness to likely duplicates'. A GUID cannot be guaranteed uniqueness no matter how small the chance is. If you put limits within the domain that a GUID is used, then of course you can, but if a GUID is to be truely globally unique, no matter the generator or domain, there will always be a possibility of a duplicate. — Preceding unsigned comment added by 220.127.116.11 (talk)
This article should be merged with UUID. That was discussed above a few years ago, and it seemed to the consensus view (though not unanimous). But it didn't happen. 18.104.22.168 (talk) 02:07, 16 January 2017 (UTC)