Intranets and Extranets

     An Intranet is a locally owned and operated Internet whose access is carefully controlled. Its objective is to enhance company operations through improved data access management.  Intranets provide a platform for the development of new systems in a timely and cost-effective manner.  Intranets are relatively easy to set up and to implement at the technical level. Once implemented, intranet services tend to grow exponentially.

     If an intranet extends beyond a single corporate entity, it is known as an Extranet.  An extranet refers to an intranet that is partially accessible to authorized outsiders. Whereas an intranet resides behind a firewall and is accessible only to people who are members of the same company or organization, an extranet provides various levels of accessibility to outsiders. You can access an extranet only if you have a valid username and password, and your identity determines which parts of the extranet you can view.
An extranet extends the intranets to the corporationís value chain.                                                  








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