Patent ID: 6952422

Claim:
A congestion control method for a network comprising: a mobile user terminal located in a mobile network; a contents server for providing a contents service in the Internet; and a GW (gateway) server used as a repeater in the case where access is made from the mobile network to the Internet, wherein association identifiers for identifying, as the flow of a series of services, screen informations ranging from information in a service top menu to supply information in contemplated service are imparted to respective screen informations in a tree structure constituting a web service provided by the contents server, and upon the occurrence of congestion, priority connection control of the service being in connection is performed based on the association identifiers, the association identifiers are constituted respectively by identifiers representing “start,” “continue,” and “end,” upon the occurrence of congest ion in the GW server, the GW server judges the association identifier contained in the screen information to be relayed, and for a request for the connection of a service provided with an association identifier representing “continue,” the relay of the transfer of service information is continued until an association identifier representing “end” appears, while for a request for the connection of a service provided with an association identifier representing “start,” the connection is cut off.