Commercial IT systems are used mainly for dealing with business transactions of various sorts. Because of this, the development and integration of IT systems determine the views of those business processes that are embedded in the IT system. The business system model and its business processes serve as the basis for this. In this chapter we will discuss the construction of business system models.
To ensure smooth business transactions through the use of IT systems, it is indispensable to know and understand the business environment of IT systems. Therefore, analysis and modeling of business processes are important components of development and integration of IT systems.
Today, most IT systems are not only embedded in a business environment, but are also connected with other IT systems. Thus, every new IT system has to fit not into one, but two different target environments:
Integration on the business-process level: Each IT system has to be assigned the...