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This article mainly explains the "detailed explanation of the constituent elements of the UML deployment diagram". The content of the explanation in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "the detailed explanation of the constituent elements of the UML deployment diagram".

A brief introduction to UML deployment diagrams (Deployment Diagram Introduction)

The deployment diagram describes the structure of the system runtime and shows the configuration of the hardware and how the software is deployed to the network structure. A system model has only one deployment diagram, which is usually used to help understand distributed systems.

II. UML deployment diagram elements (Deployment Diagram Elements)

1. Node (Node)

A node is a physical element that exists and runs on behalf of computer resources, which can be hardware or software systems running on it, such as 64 hosts, Windows server 2008 operating system, firewall and so on. The nodes are represented in a three-dimensional box.

2. Node instance (Node Instance)

The node instance name is in the following format

Node Instance: node

The difference between a node and a node is that the name is underlined and the node type is preceded by a colon, which can be preceded by a sample name or without a sample name.

3. Node type (Node Stereotypes)

The node types are «cdrom », «cd-rom », «computer », «disk array », «pc », «pc client », «pc server », «secure », «server », «storage », «unix server », «user pc », and are represented by different icons in the upper right corner of the node.

4. Object (Artifact)

The objects in the UML deployment diagram are products of the software development process, including process models (such as use case diagrams, design diagrams, etc.), source code, executable programs, design documents, test reports, requirements prototypes, user manuals, and so on. The object is represented as follows, with the keyword «artifact »and the document icon

5. Connect (Association)

The connection in the UML deployment diagram refers to the connection between nodes that represents the communication path of interaction between systems, which is called Association.

6. Node container (Node as Container)

A node that can include other nodes, such as components or objects, is called a node Node as Container.

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