A functionally structured distributed data processing system includes a plurality of independently operating user station processors for servicing users, a data center for storing data to be processed by the user stations, and a communication network for coupling each user station to one or more data...http://www.google.fr/patents/US4714989?utm_source=gb-gplus-shareBrevet US4714989 - Funtionally structured distributed data processing system
Funtionally structured distributed data processing system