Patent ID: 7844713

Claim:
A load balancing method in a load balancing system including a request transmission apparatus for specifying a computer performing processing on the basis of an identifier contained in a received continuation request, the identifier identifying a computer for processing the continuation request and transmitting the continuation request to the specified computer, a plurality of computers for performing processing in accordance with the continuation request and a management apparatus, comprising the steps of: specifying, at the management apparatus, a first computer; transmitting session movement instructions to the specified first computer; receiving information, at the first computer that has received the session movement instructions, for specifying a second computer of destination from the management apparatus; producing a processing response containing information for identifying the second computer by said request transmission apparatus on the basis of the information for specifying the second computer in response to the continuation request received from a client to transmit the processing response to the client; transmitting session information for the client acquired from a storage unit to the second computer; receiving the session information at the second computer; storing the session information in a storage unit; and executing the processing using the session information received at the second computer in response to the continuation request transmitted from the request transmission apparatus and containing the information for identifying the second computer from the client on the basis of the information for identifying the second computer, wherein the processing response is arranged to be generated by the first computer, wherein the request transmission apparatus is arranged to select the second computer according to the continuation request, and wherein processing for the continuation request is arranged to be distributed to the second computer.