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URI vs URL vs URN – Precise difference

    URL is now used as generic term. Although the subtle difference is;

  1. URN: refer the resource(including its location) without specifying how to access it.
  2. URL: it doesn’t refer the resource but its location of resource with method(protocol).
  3. URI: it represents resource as well as its location.
URI vs URL vs URN

URI vs URL vs URN

Amit Gupta

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  • Not quite. “URN” is a nother subset of URIs, which aren’t necessarily locateable. They are resource names packaged up as URIs. They always contain a “protocol” prefix too.

    For example “urn:dvb:ipdc:esg:2005″
    See also http://en.wikipedia.org/wiki/Uniform_Resource_Name

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