| 摘要 |
<p>A frame transferring apparatus includes a check-frame storage unit that has temporarily stored therein a reception check frame; a check-frame transmitting unit that transmits a transmission check frame to another frame transferring apparatus; a check-frame discarding unit that, when a storage space for storing the reception check frame is left in the check-frame storage unit, stores the reception check frame in the check-frame storage unit and, when no storage space is left, discards the reception check frame; a transferring-apparatus-information obtaining unit that obtains frame-transferring-apparatus information; a checking unit that checks a non-arrival of a frame based on the frame-transferring-apparatus information; a retransmission requesting unit that, when the reception check frame is discarded, requests the frame transferring apparatus of a transmission source of the discarded check frame to retransmit a check frame; and a check-frame retransmitting unit that, when accepting a request for retransmitting the transmission check, retransmits the check frame.</p> |
