An intranet is a computer network which, unlike the Internet, is not public. Internal intranet portals are used, for example, when the exchange of information and knowledge or organizational processes need to be accelerated.
Companies, universities and public authorities can use their own intranet to manage internal matters and create a platform for internal communication and collaboration. The intranet offers its users a secure, isolated network that functions independently of the Internet. As a rule, only internal employees have access to the company intranet.
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As an intranet is an application of computer networks, intranets can be geographically local or spread across the entire globe. Internet-enabled IT end devices can be connected to intranets using the Internet via VPN.
Functions and advantages simply explained:
- Quick & easy exchange of documents
- Simplified and faster employee communication
- Simplified work through company-wide data access (Local Area Network)
- Optimization and organization of internal processes
- More effective collaboration between users
- Simplified processes throughout the company
- Various applications for statistics/evaluation
Further reference:
https://de.wikipedia.org/wiki/Intranet
The following video provides an insight into the conceptual differences between the Internet, intranet and extranet:
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