What is an "Intranet"?

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What is an "Intranet"? ..

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The explosion of the World Wide Web is due to the world-
wide acceptance of a common transport (TCP/IP), server
standard (HTTP), and markup language (HTML). Many
corporations have discovered that these same
technologies can be used for internal client/server
applications with the same ease that they are used on the
Internet. Thus was born the concept of the "Intranet": the
use of Internet technologies for implementing internal
client/server applications.

One key advantage of Web-based intranets is that the
problem of managing code on the client is greatly reduced.
Assuming a standard browser on the desktop, all changes to
user interface and functionality can be done by changing
code on the HTTP server. Compare this with the cost of
updating client code on 2,000 desktops.

A second advantage is that if the corporation is already
using the Internet, no additional code needs to be licensed
or installed on client desktops. To the user, the internal
and external information servers appear integrated.

A rapidly-disappearing disadvantage is that there is
limited ability to provide custom coding on the client. In
the early days of the Web, there were limited ways of
interacting with the client. The Web was essentially "read-
only". With the release of code tools such as Java
and _JavaScript, this limitation is no longer a major issue.