| 摘要 |
A communication device includes: a division unit that divides first data to be transmitted to another communication device via a transmission path including a plurality of lanes into a plurality of second data; a transmission unit that transmits the plurality of second data to the another communication device by distributing them to either one of the plurality of lanes; and an error notification reception unit that receives an error notification when an error is detected from one of the plurality of second data received by the another communication device. When the error notification reception unit receives the error notification, the division unit divides second data, in which an error is detected, into a plurality of third data, and the transmission unit retransmits the second data to the another communication device by distributing the plurality of third data to either one of the plurality of lanes.
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