Component Diagram Example: Securities Trading

Description:

This is a component diagram for a security trading system. The components in the diagram are being structured into two levels. The first level include client, server and third-party services. Child components are created inside these components with the interfaces that needed or provided in order to support the application to function.

You can create your own component diagram by editing this one. Simply Click Use this Template to start, or click Create Blank to create a new one.

What is Component Diagram?

Component diagrams are used in modeling the physical aspects of object-oriented systems which shows the organization and dependencies among a set of components. Component diagrams are used to model the static implementation view of a system. They are essentially class diagrams that focus on a system's components. Component diagrams are used for visualizing, specifying, and documenting component based systems and also for constructing executable systems through forward and reverse engineering. Component diagrams commonly contain Components, Interfaces and Dependency, generalization, association, and realization relationships. It may also contain notes and constraints. Graphically, a Component diagram is a collection of vertices and arcs.

How to Draw a Component Diagram

  • List out components needed to implement the planned system. For example, for a simple Order Processing System, We will need components for the system such as, product items, orders, and customer accounts.
  • Consider the components to be accommodated within the software architecture.
  • Describe the organization and relationships between components using interfaces, ports, and dependencies.

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