An organization network through which the files and messages are exchanged among the users of the organization only is called the Intranet. This type of network uses the same protocols as used in the Internet. But through Intranet the information cannot be exchanged out side the organization.Extranet
An extranet is a network of multiple intranets. It means that intranets of different companies are connected together for the collaboration among the companies. On an extranet each connected company gives selected rights to the employees of one or more other companies to access its intranet.
Posted in: Internet
