Archimate Technology Layer

Concept Name	Notation	Comment
Node		A node is defined as a computational resource upon which technical objects may be deployed for execution.
Device		A device is defined as a physical computational resource upon which technical objects may be deployed for execution.
Infrastructure Interface		An infrastructure interface is defined as a point of access where the functionality offered by a node can be accessed by other nodes and application components.
Network		A network is defined as a physical communication medium between two or more devices.
Communication Path		A communication path is defined as a link between two or more nodes, through which these nodes can exchange information.

Concept Name	Notation	Comment
Infrastructure Service		An infrastructure service is defined as an externally visible unit of functionality, provided by one or more nodes, exposed through well-defined interfaces, and meaningful to the environment.
System Software		System software represents a software environment for specific types of components and objects that are deployed on it in the form of artifacts.

Concept Name	Notation	Comment
Artifact		An artifact is defined as a physical piece of information that is used or produced in a software development process, or by deployment and operation of a system.