Another User has a similar confiuration but has been running for some twenty years. In the course of time the source code has been lost for certain mission critical applications. The suppliers of these applications have long since gone out of business.
All of the objectives for Object Class 6 must be reached, but with additional special management for the unmaintainable mission critical applications. These systems must either be patched, rewritten or replaced. For our purposes "Object Class 7".