It doesn’t matter how many parts a machine has as long as each one is made perfectly.
—Sir Henry Royce in 1938
Mon Dieu, it is a triumph of craftsmanship over good design.
—The French automotive engineer Panhard on first seeing a Rolls-Royce in 1911
Enterprise business software is designed for particular applications but always runs in the context or environment of an overall business data processing system. Applications thus must be integrated by testing in an actual operating environment or a virtual test version of it. In some cases critical new software may be run in parallel to ensure that all situations are tested with real data. Successful applications ...