View MODAF:SV-5 Function to Opl Activity - Service Function Traceability Matrix View



The SV-5 Function to Operational Activity View is part of the MODAF System Viewpoint and one of the 47 MODAF views*.

Version & Date

Version 1.2.004.

* =  changed at 1.2.004

+ =  new at 1.2.004

The change history is derived from the definition of each MODAF view within the The MODAF System Viewpoint viewpoint defining document from

See MODAF Release History.


The SV-5 provides two alternate views:

Subject to Crown Copyright


From The MODAF System Viewpoint (SV) p29:

The SV-5 view depicts the mapping of functions (and optionally, the resources that provide them) to operational activities or service functions. For operational activities it thus identifies the transformation of an operational need into a purposeful action performed by a system or solution. For service functions it provides the link between the services used at the operational level and the specific functions provided by the resources supporting the services.

During requirements definition, SV-5 plays a particularly important role in tracing the architectural elements associated with system requirements to those associated with user requirements.

Subject to Crown Copyright


From The MODAF System Viewpoint (SV) p30:

The SV-5 Function to Operational Activity / System Function Traceability Matrix is a specification of the relationships between the set of operational activities / system functions applicable to an architecture and the set of functions applicable to that architecture.

The relationship between functions and operational activities / system functions can also be expected to be many-to-many (ie one activity / system function may be supported by multiple functions and one function may support multiple activities/system functions).

The SV-5 View is normally a tabular view of the relationship between functions and activities / system functions in the form of a simple matrix.

MODAF uses the term operational activity in the OVs and the term function in the SVs to refer to essentially the same kind of thing, that is, both activities and functions are tasks that are performed, accept inputs, and develop outputs. The distinction between an operational activity and a function is a question of what and how; an operational activity is a specification of what is to be done, regardless of the mechanism used whereas a function specifies how a resource carries it out. For this reason, the SV-5 is a signficant view, as it ties together the logical specification in the OV-5 with the physical specification of the SV-4. This logic can also be applied to services where the service functions are a specification of what is to be done.

Subject to Crown Copyright

Data Objects

From The MODAF System Viewpoint (SV) p29:

The data in an SV-5 can include:

Full size:File:MODAF SV5 SystemFunctiontoOperationalActivityView mm.jpg

Subject to Crown Copyright


From The MODAF System Viewpoint (SV) p29:

  • Tabulation

Configuration History



Other Frameworks

See also:

Category:Framework -> View
Category:MODAF -> View



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