URN

XML Glossary

XML — URI — URN

Information on URN (Uniform Resource Name)

A URN identifies an Internet resource in a way other than specifying its physical location. One consequence is that a resource that exists in multiple locations can be fetched from the most convenient location. A resource specified by a URN should also be able to be found even if its physical location changes.
     The URN is a sub-class of the more general URI (Uniform Resource Identifier). The other sub-class of the URI is the URL (Uniform Resource Locator).
     The URN is much less commonly used to specify resources than the URL.

Other topics in our resources on XML related to URN include: 

URL (Uniform Resource Locator)

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