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System Application Map

        posted by , July 04, 2011

The System Application Map illustrates your system landscape (by business capability and department). Consider the following example (telecom industry)*:

system application map
*example uses the names of Greek gods in place of system names

Variations

The example breaks down applications by level 1 business capability and department. It is also common to break out the map by:

- level 2 business capability / department
- level 1 business capability / location
- level 1 business capability / product
etc...

Views

It is common to create audience-targeted views of the System Application Map. For example, focusing on the level 2 business capabilities for one department.

For this reason, it is difficult to maintain the System Application Map as a Microsoft Visio diagram. Ideally, a enterprise architecture software tool is used that allows views to be generated on the fly.

Audience

The System Application Map is of interest to virtually everyone in the organization. Uses include:

- executive decision support
- project planning
- solution architecture
- support documentation
- training and onboarding

Drill Down

It is common to link the boxes in the application map to drill down views. This can include:

- level 2 / level 3 System Application Map
- project descriptions
- system/application roadmap documentation


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