Details: Protocol www
The Internet is a vast network of interconnected
computers spanning the globe. While many people think of the Internet as
the “World Wide Web” or Web for short, the Web is a subset of the
Internet. For example, email uses the Internet, yet email is not
necessarily the Web. Just as email requires protocols such as SMTP and
POP3 in order to send and receive messages the Web needs protocols in
order to locate and display Web pages. While you may think that this
would be protocol www, this is incorrect. The World Wide Web (www)
relies on a collection of protocols, not a single protocol www. The
three main protocols in use include: HTML, HTTP, and URL. HTML is the
HyperText Markup Language which is used to create Web pages. HTTP, Hyper
Text Transport Protocol, is used to communicate requests for files
between the browser and the server. URL, or Uniform Resource Locator,
provides location information. URLs are made up of the protocol plus the
network node plus the file’s location in the following format:
<protocol>://<network node>/<file location>. After the protocol, www may
or may not appear. While the prefix of “www” may imply the use of
protocol www, the prefix is not required by any Internet standard. In
fact, many websites exist that do not use the www prefix. Others are set
up to recognize the domain with or without the www prefix. While
protocol www doesn’t formally exist, the World Wide Web does use many
protocols. The World Wide Web Consortium (W3) and the Internet
Engineering Task Force (IEFT) are largely responsible for standardizing
Internet protocols.
Associated Protocol www Applications:
Web browsers such as Internet Explorer, Mozilla, Safari, and Opera
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