What are the difference between Internet, intranet, and extranet?

Updated: 03/01/2018 by Computer Hope

InternetMany of our users would like to know the difference between the Internet, intranet, extranet. This question can be partially answered by looking the each of the words' prefixes; inter means between, intra means within, and extra means outside or beyond.

Essentially, the Internet is open to the entire world, whereas an intranet is a private space, usually within a business. An extranet is essentially a combination of both the Internet and an intranet. An extranet like an intranet that allows access only to certain outside individuals or businesses.

Another difference to note is that is that you may access an intranet or extranet from the Internet, but not the other way around. Also, an intranet is much faster as it doesn't rely on data from around the world because its data is stored locally on the company's servers.