RFC 1630Edit

RFC 1630, or "Universal Resource Identifiers in WWW", is an RFC proposing the formalization of a distinction between URLs, URIs and URNs.

See also

• Full text of RFC 1630: http://www.ietf.org/rfc/rfc1630.txt
• Wikipedia article on URIs: http://en.wikipedia.org/wiki/Uniform_Resource_Identifier