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Enterprise Applications
An enterprise application serves the needs of an entire
organization. In other words, it is a single application that
allows its users to interact concurrently with the same data source
and processes.
I can provide several kinds of enterprise applications
depending on your organization's needs:
Desktop
Application with a shared data source
This application is just like a desktop application except that it does not use a local
database. Instead, it uses a database that resides on a
network server: an enterprise database.
Distributed Application with a shared data source
A distributed application is designed so that the processing
is shared across multiple machines. A typical distributed
application might have the presentation layer of code run on the users machine,
and the business and data code run on a network server.
One of many advantages to this design is that the application will perform in a
consistent manner for all users whether or not they have a fast or slow computer.
The datasource will generally be an enterprise database.
Distributed Model-View-Controller (MVC) Application with a shared data source
I won't go into the complexities of the MVC design pattern,
but I will explain two of the prime advantage for users:
- Because the code is partitioned into pluggable
components (models, views, and controllers), the application
can have several different kinds of interfaces. The same
application could be accessed through an html application (thin-client), desktop-style application
(thick-client), a wireless device, or by another system (peer-to-peer)
- The pattern allows the process on the server-side to talk to and
update the presentation on the client-side (GUI) without a
user gesture. A prime
example of this pattern, or similar pattern, at work is some of the
stock market programs that show live data with automatic, real-time updates.
As the stock data changes, the server process pushes it to
all the users that are logged in without the user having to do
anything.
Web Application
Web Applications
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