what is intranet

Simple definition of Intranet : The Network connect with in the network is called intranet.

Summary:An intranet is a private computer network that uses Internet Protocol technology to securely share every part of organization information within that organizations. The expression is used in compare to internet, a network between organizations, and instead refers to a network within an organization. Sometimes the term refers only to the organization's internal website, but may be a more extensive part of the organization's information technology infrastructure. It may host multiple private websites and constitute an important component and focal point of internal communication and collaboration

An intranet is built beginning the same concepts and technologies use for the Internet, such as client–server computing and the Internet Protocol Suite /Internet Protocol (TCP/IP). one of the well known Internet protocols may be found in an intranet, such asHypertext Transfer Protocol ( HTTP) means web services), Simple Mail Transfer Protocol (SMTP) means e-mail, and File Transfer Protocol (FTP) means file transfer. Internet technologies are often deployed to provide modern interfaces to inheritance information systems hosting corporate data.
An intranet can be understood as a private analogy of the Internet, or as a private extension of the Internet restricted to an organization. The first intranet websites and home pages begin to appear in organizations in 1990-1991.