URI - Uniform Resource Identifier

&

URL- Universal Resource Locator

The location/address of things on the Internet

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URI identifies a resource and differentiates it from others by using a name, location, or both.

URL identifies the web address or location of a unique resource.

 

 

 

The formula for a generic URI (URL will have scheme http or https) as follows:

scheme://<login>|<password>@host/dir OR scheme://host/dir (when no login/password required)

scheme

What protocol the resource uses

Examples
• ftp=file transfer protocol
• http=hypertext transfer protocol (Web page)
• telnet=remotely login to another computer more

login

Userid required to access resource If a public or anonymous account will use the word anonymous or guest

 

password

Password required to access resource If a public or anonymous account will use nothing or your email address as a courtesy

 

dir

This indicates the path including possibly a filename of the resource. path=/dir

 

 

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Examples of URLs

1. http://www.monterey.edu (CSUMB homepage)
• scheme=http use your web browser.
• login= none.
• password= none.
• host=www.monterey.edu
• dir= none.
2. ftp://<fun>:<p1>@ftp.host.com/funstuff/fun.doc
• scheme=ftp use your ftp software.
• login= fun
• password= p1
• host= ftp.host.com
• dir= /funstuff/fun.doc
3. ftp://ftp.apple.com/appleinfo
• scheme ftp use your ftp software.
• login= anonymous
• password= none or use your email address as courtesy
• host= ftp.apple.com
• dir= /appleinfo