NETWORK COMMUNICATION SYSTEM

PROBLEM TO BE SOLVED: To provide a network communication system for enabling a browser of a client terminal to constantly display new information by minimizing a change point from a style of the conventional web application development and dramatically reducing a communication load to a network.SOLUTION: When one content server 11 generates one update request, the network communication system transmits the one update request to one corresponding content frame 21 through a server push communication control server 14, a reverse proxy server 15, and a server push communication control frame 24 of a browser 20, the one content frame transmits one update information request to a corresponding content server on the basis of the received one update request, the one content server transmits one piece of update information to the one content frame in response to the received one update information request, and the one content frame updates display on the basis of the received one piece of update information.