1. A virtual address creating process comprising: creating a virtual address for a software entity called a “daughter” belonging to a context of a software entity called a “mother”, said context identifying a hierarchical relationship of said daughter software entity with said mother software entity, said virtual address comprising a series of fields allowing a retrieval of a series of fields of a virtual address of the mother software entity and a field unique in a context of the mother software entity, each series of fields being associated with a single software entity which the series of fields defines completely.