1. A method performed by a computer, the computer including a processor coupled to a memory, the method comprising: implementing, by the computer, an additional business model on an existing productive system landscape having an existing business model, the implementing of the additional business model comprising: generating, by the computer, a first snapshot and a second snapshot of the existing productive system landscape; wherein the first and second snapshots are copies of the existing productive system landscape; modifying, by the computer, the second snapshot after generation of the second snapshot to include the additional business model; and comparing, by the computer, the modified second snapshot with the first snapshot; identifying, by the computer, a delta between the second and first snapshot; maintaining, by the computer, the existing business model in the existing productive system landscape independently from the implementing of the additional business model on the existing productive system landscape; applying, by the computer, the identified delta to the existing productive system; and deploying, by the computer, the additional business model and the existing business model together within the existing productive system landscape.