5 Part 5: V-Modell Reference Work Products

5.3 Products

5.3.8 System Elements

5.3.8.4 External Unit

Process module: System Development

Responsible: System Integrator (when using process module System Development)

Activity: Taking over External Unit

Participating: Purchaser

Work Product Attributes: external

Purpose

The Product »External Unit comprises system elements which are not developed within the scope of the project. An external unit may be an off-the-shelf product, a unit furnished by the user, a re-usable system or segment developed in advance, an adjacent system or the result of a sub-contract. An external unit may comprise hardware and software portions.

In case of a system integration project, the system will be integrated exclusively from external units. Examples for external units include middleware technologies, database servers or bought processors.

Is generated by

System Implementation, Integration and Evaluation Concept, System Architecture (see product dependency 4.20)

Enabling System Implementation, Integration, and Evaluation Concept, Enabling System Architecture (see product dependency 4.21)

Depends on

External Hardware Module, Hardware Unit, Hardware Component, Hardware Module, Hardware Implementation, Integration and Evaluation Concept, External Software Module, Software Implementation, Integration and Evaluation Concept, Software Unit, Software Component, Software Module, System Implementation, Integration and Evaluation Concept, Segment, System (see product dependency 5.38)