Definition
An application's architecture describes the structure and behavior of applications used in a business, focused on how they interact with each other and with users. It is focused on the data consumed and produced by applications rather than their internal structure. In application portfolio management, the applications are usually mapped to business functions and to application platform technologies.
The applications architecture is specified on the basis of business requirements. This involves defining the interaction between application packages, databases, and middleware systems in terms of functional coverage. This helps identify any integration problems or gaps in functional coverage. A migration plan can then be drawn up for systems which are at the end of the software life cycle or which have inherent technological risks.
Applications architecture means managing how multiple applications are poised to work together. It is different from software architecture, which deals with design concerns of one application.
Read more about this topic: Applications Architecture
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