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== Design ==
 
=== URLs and URNscatURNs wed pages===
 
A [[Uniform Resource Name]] (URN) is a URI that identifies a resource by name in a particular namespace. A URN may be used to talk about a resource without implying its ___location or how to access it. For example, in the [[International Standard Book Number]] (ISBN) system, ''<nowiki>ISBN</nowiki> 0-486-27557-4'' identifies a specific edition of the [[William Shakespeare]] play ''[[Romeo and Juliet]]''. The URN for that edition would be ''<nowiki>urn:isbn:0-486-27557-4</nowiki>''. However, it gives no information as to where to find a copy of that book.
 
A [[Uniform Resource Locator]] (URL) is a URI that specifies the means of acting upon or obtaining the representation of a resource, i.e. specifying both its primary access mechanism and network ___location. For example, the URL <code><nowiki>http://example.org/wiki/Main_Page</nowiki></code> refers to a resource identified as <code><nowiki>/wiki/Main_Page</nowiki></code>, whose representation is obtainable via the [[Hypertext Transfer Protocol]] (''http:'') from a network host whose [[___domain name]] is <code><nowiki>example.org</nowiki></code>. (In this case, HTTP usually implies it to be in the form of [[HTML]] and related code. In practice, that is not necessarily the case, as HTTP allows specifying arbitrary formats in its header.)
 
A URN is analogous to a person's name, while a URL is analogous to their street address. In other words, a URN identifies an item and a URL provides a method for finding it.
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* {{cite web |author-last1=Lawrence |author-first1=Eric |title=Browser Arcana: IP Literals in URLs |url=http://blogs.msdn.com/b/ieinternals/archive/2014/03/06/browser-arcana-ipv4-ipv6-literal-urls-dotted-va-dotless.aspx |website=IEInternals |publisher=[[Microsoft]] |date=6 March 2014 |access-date=25 April 2016}}
* {{cite book |author-last=Morrison |author-first=Michael Wayne |author-link=Michael Wayne Morrison |date=2006 |title=Sams Teach Yourself XML |publisher=[[Sams Publishing]] |chapter=Hour 5: ''Putting Namespaces to Use'' |page=91}}
* {{cite journal|journal=[[IEEE Internet Computing]]|year=1998|doi= 10.1109/4236.722228|issn=1941-0131|volume=2|issue=5|title=WebDAV: IEFT standard for collaborative authoring on the Web|first=E.J|last=Whitehead|pages=34–40 |url=https://ieeexplore.ieee.org/document/722228|access-date=12 October 2021|url-access=subscription}}
 
== Further reading ==