Node (UML): Difference between revisions

Revision as of 21:14, 5 February 2009

Revision as of 04:33, 6 February 2009

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[[fileFile:Nodes.PNG|thumb|240px|Two execution environments instances nested in a device instance ]]

A '''node''' In the [[Unified Modeling Language]] (UML) is a computational resource upon which [[artifact_artifact (UML)|UML artifact]]s may be deployed for execution.

<ref name= "OMG UML V2.1.2"> OMG (2008). ''[http://www.omg.org/spec/UML/2.1.2/Superstructure/PDF OMG Unified Modeling Language (OMG UML), Superstructure, V2.1.2]'' p.199-210.</ref>

There are two types of nodes: ''device'' nodes and ''execution environments''.

* A device represent hardware devices: a physical computational resource with processing capability upon which [[Artifact_Artifact (UML)|UML artifact]]s may be deployed for execution. Devices may be complex (i.e., they may consist of other devices).<ref name= "OMG UML V2.1.2"/>

* An execution environments represent software containers (such as operating systems, JVM, servlet/EJB containers, application servers, portal servers etc.) This is a node that offers an execution environment for specific types of components that are deployed on it in the form of deployable artifacts.<ref name= "OMG UML V2.1.2"/>

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==References==

{{reflist}}

{{Refimprove|date=February 2009}}

{{verify}}

{{UML}}