Network computing technology and information society toward 21st century

The process of development of network computing towards the 21st century is explained. In order to make clear the key technologies required for the development of network computing, the logical model of the system is represented by a site-layer model and the key technologies corresponding to each layer are introduced. For the future development of the information society, the importance and the technologies concerning thin computers and the new platform constructed by the unification of the Internet and broadcasting are also discussed. Finally, the future trends of EC (electronic commerce) is envisioned