| 摘要 |
To prevent communication between processes of different computers from being interrupted due to a trouble in one transmission route. A communication controller of a computer selects at least one of communication devices and establishes physical connections via the selected communication devices, in response to a connection request from a prescribed process. The communication controller defines the one or more established physical connections as a logical connection. When a trouble happens in a physical connection included in the logical connection, the communication controller establishes another physical connection via a communication device different from that of the troubled physical connection and includes this physical connection in the logical connection. When receiving a communication request applied to the logical connection, from the process, the communication controller performs communication via the physical connections included in the logical connection, in response to the communication request.
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