| 摘要 |
PROBLEM TO BE SOLVED: To perform retransmission processing in network communications using hardware. SOLUTION: A first buffer 11 temporarily stores transmission data. A second buffer 12 is a FIFO buffer and temporarily stores transmission data sent from the first buffer 11. A data sending circuit 13 selectively sends transmission data stored in the first buffer 11 or the second buffer 12 to a network 30. A sending control circuit 14 controls the data sending circuit 13 so as to send transmission data stored in the second buffer 12 to the network 30 when a possibility is detected that transmission data sent to the network 30 may not be received based on communication information exchanged via the network 30, and controls the data sending circuit 13 so as to send transmission data stored in the first buffer 11 to the network 30 when all the transmission data stored in the second buffer 12 are sent. COPYRIGHT: (C)2008,JPO&INPIT
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