| 摘要 |
<p>PURPOSE:To solve a problem that all the retransmission of data performed several number of times are failed for lack of reception buffers within a com puter, in a system where plural sets of computer are connected and the transmis sion and reception of data is performed with asynchronization. CONSTITUTION:At the reception side of data, a reception buffer control part 17 monitoring the presence or absence of a reception buffer and a retransmission number of times change notification part 18 preparing a retransmission number of times change notification frame requesting the retransmission number of times to make larger when the reception buffer does not exist and transmitting the frame to all the communication phases are provided. On the transmission side of data, it is composed of a retransmission number of times change notification processing part 11 analyzing the received retransmission number of times change notification frame and changing the value of a retransmission number of times area.</p> |
