Hi guys,

we need to generate UUIDs for every single entry we store in the backend. The UUID is defined in a RFC [1]. There are 3 available UUID generators [2] I know of : - standard Java UUID generator[3] (which only support version 3 and 4 - ie using a hashed URI or a random number - )
- JUG [4] which support all the version but 2
- UUID [5] which only support version 1 (MAC address based)

Here is a short comparison : [6]


The question is to determinate which generator we should use, assuming the licenses are compatible ?

Wdyt ?


[1] http://www.rfc-editor.org/rfc/rfc4122.txt
[2] http://en.wikipedia.org/wiki/UUID
[3] http://java.sun.com/j2se/1.5.0/docs/api/java/util/UUID.html
[4] http://jug.safehaus.org/
[5] http://johannburkard.de/software/uuid/
[6] http://johannburkard.de/blog/programming/java/Java-UUID-generators-compared.html

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cordialement, regards,
Emmanuel Lécharny
www.iktek.com
directory.apache.org


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