Description This view enables the description of a service by means of a state-diagram, an activity model or by an event-trace description. In order to fully define the sequencing of messages and operations that form part of the service interface, event-trace descriptions are useful. In order to fully define the handling that takes place in a service due to possible different internal states, a state description is also useful. For all of these descriptions standard UML entities provide the best means of representation. Implementation NSOV-5 can be represented using: - NSOV-5 diagram for the Operational Activity flows. This diagram is based on the UML Activity diagram.
- NSOV-5 diagram based on the UML Clas diagram.
- UML Activity diagram.
- SysML Activity diagram.
- UML Class diagram.
Sample 
Service Behaviour Definition
Fragment of NSOV-5 Service BehaviourRelated views An NSOV-5 is the key behavioral specification for services. It is equivalent in nature to the NOV-5 and NSV-4. It specifies a set of functions that a service implementation is expected to perform. An NSOV-5 specifies the required functionality that an implementation of a service is expected to have – the implementation is represented in the NSV-1 and NSV-4.
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