To best manage these evolutions, information system strategists and architects first produce master plans presenting planning of new software and hardware elements in the medium and long term.

Evolution of the information system is generally based on installation of new versions of existing applications. It is therefore important to have a tool capable of mapping what exists, not only to be aware of and to control content, but also to simplify modeling of different versions by concentrating on differences compared with previous versions: additions, deletions and modifications.

This type of modeling linked to the capacity to integrate time information on system photographs at different moments of its existence.

See "The HOPEX Web Front-End desktop", page 25.

See "The HOPEX Windows Front-End desktop", page 3.