2.3. Modeling the System Context
Rather than fulfilling an end in itself, the system supplies services to its environment. Vice-versa, it can also request services from its environment if it needs them for its own functionality. It is therefore important to know the system’s environment.
There is manifold interplay between the system and its environment. We therefore have to analyze the type of embedding to ensure that the finished system will integrate into the environment nicely without negative surprises later on.
The system context model represents the direct environment of the system and gives initial information about the communication flowing from and to the system. The external interaction partners are the system actors. The communication ...