The open client-server tool to develop a homeshopping service on community network

The open client-server software typically has a four layer hierarchy: a hardware layer, an enterpriseware layer, a middleware layer and a userware layer. Among the four layers, the middleware layer plays the most important role in the open client-server software architecture. In Korea, the Ministry of Information and Communications (MIC) is planning to provide many kinds of application services in the superhighway information communication community network. The real-time homeshopping service is probably the most typical community network service. This paper proposes an application development tool which has an open client-server concept for developing a homeshopping application service