Network system spontaneously transmitting data from server machine to user terminal having first and second parts for requests and message, respectively

摘要

In a system constituted by using the Internet techniques, there is provided a network system which can spontaneously transmit data from a server machine to a desired user terminal.The network system is a server-client type network system including a server machine 10 for storing the data of a plurality of pages which are described in a language along the specification of the HTML to be hyperlinked, and a plurality of user terminals 30 for displaying a page of the server machine on a display by using a Web browser.The server machine 10 includes a data transmission unit 80 for spontaneously transmitting the data described in the language along the specification of the HTML to an arbitrary user terminal.Each of the user terminals 30 monitors reception of the spontaneously transmitted data by using the Web browser and displays the received spontaneously transmitted data on the display.