Poseidon for UML: User Guide
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# Deployment Diagrams

Finally the way the individual components are deployed to a hardware system can be described using the deployment diagram. Because we decided to merge the different diagram types, the editor contains a wide set of elements to be used (see also: Object diagrams Component diagrams). Deployment diagrams are defined on two levels: object or _instance level and class level. For this reason, Poseidon for UML provides both nodes and instances of nodes.

Figure 10-9. A Deployment diagram.

## Diagram Elements

- Nodes and Instances of Nodes - Represent the hardware elements of the deployment system.

- Components and Instances of Components - Represent software elements that are deployed to the hardware system.

- Links - Used to connect instances of nodes or objects.

- Dependencies - Exist between components and can be specified by utilizing predefined or user-defined stereotypes.

- Associations - Used to display communication relations between nodes. They can be specified by utilizing predefined or user-defined stereotypes.

- Objects, Classes, Interfaces - Components and nodes can include objects, classes or interfaces.

## Toolbar

| Select
| Node
| Instance of a Node
| Component
| Port
| Instance of a Component
| Dependency
| Connector Between Ports
| Class
| Interface As Circle
| Lollipop
| Socket
| Association
| Directed Association
| Aggregation
| Composition
| Association Class
| Object
| Link
| Comment
| Connect Comment to Element
| Text
| Circle
| Rectangle
| Polygon
| Polyline
| Repaint

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