Internet, Intranet and Extranet

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Internet, Intranet and Extranet:

Internet: The Internet is a TCP/IP-based WAN that was originally planned for the U.S. Department of Defense (DoD). Internet Service Providers (ISPs) connect the global network, both public and private, that comprises the Internet.

Intranet: An intranet is a logical network that utilizes an organization’s internal, physical network infrastructure that extends over large areas. Intranets employ TCP/IP and HTTP standards which are used to activate corporate web sites accessed by all employees on the intranet. This method is more secure and controlled than publishing corporate web sites on the World Wide Web.


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