From: Clark C. E. <cc...@cl...> - 2004-09-01 21:59:44
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On Wed, Sep 01, 2004 at 02:43:37PM -0700, Sean O'Dell wrote: | In IDF's case, they will have to use a local copy of the schemas. A | URL can refer to a local file. Suppose I have two companies. Both of them use different accounting schemas, but since the sysadmins think alike, they use the same URL /usr/local/share/timesheet.yml to make sure that the schemas are always accessable. One day, the companies merge, and they merge their data. And they find out that the 'unique' URLs they were using wern't really unique afterall. | I think URLs would work a lot better. They're unique and they avoid the | "lookup" indirection. If you are claiming that we don't need global unique identifiers, this is a different claim; one that Brian's making. However, you can't have it both ways. Either they are unique, or they can be used to provide a global unique identifier. In any case, I'm tired of providing counter examples as to why URLs make poor global unique identifiers. Best, Clark |