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OwnerKazuyuki Irifune, Katsuyuki Tsunami +2inventors
InventorsKazuyuki Irifune, Katsuyuki Tsunami, Takashi Nishikado, Hideo Aoki
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A congestion controlling device is connected to client terminals and contents servers via communications lines. When a load distributing device receives requests from the client terminals that have made the requests for acquisitions of the information, the load distributing device judges whether the situation of the relay processing has satisfied a predetermined condition. If the situation has satisfied the condition, not only the client's requests are regulated, but predetermined messages of either reasons for the regulation or requests to defer the client's requests for a while are notified to the client terminals. The congestion controlling device may include Web proxy servers each including a cache. If the information requested by the client terminals has been stored in the cache of the Web proxy server, the information in the cache is transmitted to the client terminals.
A congestion controlling device connected to a plurality of client terminals and a plurality of contents servers via communications lines, said plurality of client terminals being capable of making requests for acquisitions of information and displaying said information corresponding to said requests, said plurality of contents servers making responses to said requests so as to transmit, to said client terminals, said information corresponding to said requests, said congestion controlling device, comprising:
A congestion controlling device provided between a plurality of client terminals and a plurality of contents servers via communications lines, said plurality of client terminals being capable of making requests for acquisitions of information and displaying said information acquired in response to said requests, said plurality of contents servers making responses to said requests so as to transmit, to said client terminals, said information corresponding to said requests, said congestion controlling device, comprising:
A congestion controlling method in a communication system including a plurality of client terminals capable of making requests for acquisitions of information and displaying said information acquired in response to said requests, a plurality of contents servers for making responses to said requests so as to transmit, to said client terminals, said information corresponding to said requests, a data relaying device for performing a relay between said plurality of client terminals and said plurality of contents servers, a plurality of Web proxy servers including means for caching information when said information is acquired and means for transmitting said information to said client terminals, and a load distributing device for performing a distributing control over said requests from said data relaying device so that said requests will not be concentrated on a particular Web proxy server, said congestion controlling method, comprising the steps of:
A congestion controlling system, comprising:
Dependencies are inferred from the claim text.