If you select the convenient method using process support units (PSUs), maps are automatically generated by the IT landscape administration - Generate matrix macro. The model is edited exclusively in a wizard, using the macros described below. Connections are created in the background, while attributes can be selected in the dialog boxes. This means that the values are automatically specified and updated. The lifecycle of assignments, for example, IT systems, is represented by traffic light colors, depending on the IT landscape view. The maps are then in Macro control operation mode. You can then use the process support map to ensure intelligent IT landscape planning. The predefined method conventions are automatically adhered to. Thus, all elements are protected against manual editing. Only read access is allowed for attributes. Furthermore, models open in read-only mode. Besides the processing functions performed by the corresponding macros, only the following functions are available, which are controlled in the background by the macros:
Add, delete, or move columns and rows in a process support map
Add new objects (drag and drop or copy and paste)
Move objects
Delete objects
To guarantee optimum performance, make sure that the memory setting for ARIS clients is set correctly.
If a process support map is created using the standard functionality from the New > Model pop-up menu, it is a model like any other. The type of use does not differ from the one of other ARIS model types. You can model as required, but you cannot place process support units and must specify all attributes yourself. The maps are then in Standard operation mode. Once the Macro control or Standard operation mode has been specified, it cannot be reversed. You must therefore decide on the operation mode for a process support map before you create the model.
An IT landscape plan documents current and future IT systems a company uses to support its business processes at various locations or in various organizational units. Based on these assignments, an IT landscape planner can, for example, analyze how phasing out or phasing in specific IT systems will effect a company's business and derive measures to trigger change in the IT landscape.
An IT landscape plan provides a central guideline for implementing the IT strategy in line with business and is thus mandatory in this context. It ensures that the entire IT landscape development is managed properly.
High-quality assessment of the as-is organizational structure, business process model, and application system landscape of a company and of the links between them form the basis of the IT landscape plan and allow the to-be reference process support map to be derived from the as-is state. The relevant requirements, measures, and tasks based on which the reference process support map is created are derived from comparisons between the as-is and to-be process support maps. Derived tasks and measures can then be structured, evaluated, and implemented in projects (IT project and portfolio management).
The objective is to establish an integrated IT governance process that drives the standardization and harmonization of the IT landscape and simultaneously ensures cost reductions in planning, implementation, and operation. ARIS provides a variety of functions that support the work of IT landscape planners and are described in more detail below.