Application Architecture - Essay

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Application architecture is the organizational design of an entire software application, including all sub-components and external applications interchanges. There are several design patterns that are used to define an application architecture. These patterns help to communicate how an application will complete the necessary business processes as defined in the system requirements.

A software application is a system designed to automate specific tasks in a logical manner to satisfy a set of requirements. Software applications rely on underlying operating systems and databases to store and perform tasks within the application. The application architecture is the blueprint that defines how the software application will interact with servers and components within the domains of application layers.

With the expansion of interoperability within software, modular components have been created that specialize in specific areas of business processes within an application. Application architecture is the process of defining all of the components within the design and how they will communicate within the application. This definition includes all layers of an application.

There are three main areas of control within all applications. These are the presentation layer, the business layer, and the data access layer. Each domain within an application has a specific responsibility that, when joined with the other layers, satisfy the underlying business requirements of an application. The application architecture is used as a blueprint to ensure that the underlying modules of an application will support future growth. Growth can come in the areas of future interoperability, increased resource demand, or increased reliability requirements. With a completed application architecture, stakeholders understand the complexities of the underlying components should changes be necessary in the future.

With the creation of advanced object-oriented programming, application...
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