US Patent 7711833 Network system, network control method, and program

A network system connected with a plurality of clients over a network, and having process executing means for executing processing requested from each client, comprises process request controlling means, and load distributing means for selectively connecting a client that requested processing with process executing means or process request controlling means, based on the processing situation in the process executing means or the usage situation of the network circuits connected with the process executing means. The process request controlling means indicate to the client re-request timing for the client to make the request again based on predetermined conditions, while rejecting requests for processing from the client.