| 摘要 |
According to an aspect of an embodiment, a communication system comprises: a. a first information processing device; b. a first communication line and a first backup line connected to the first information processing device, respectively; c. a second information processing device; d. a second communication line and second backup line connected to the second information processing device, respectively; e. a first switch comprising: a first port connected to the first communication line; a second port connected to the second backup line; and a controller for performing of: detecting a failure of the first port; switching the second backup line; and sending a notification; and f. a second switch comprising: a third port connected to the first backup line; a fourth port connected to the second communication line; and a controller for performing of: receiving the notification; switching the first backup line and the second communication line.
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