| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a distributed system capable of achieving efficient data distribution with ensuring reliability even when transmission delay time of a network is large. <P>SOLUTION: A data distribution calculator 11 continuously transmits packets of a number corresponding to a window size held by a window size holding part 51 to a representative receiving calculator among a plurality of data receiving calculators 21-23 in a bastion 41 by unicast transmission. The representative receiving calculator, which has received the packets, carries out broadcast transmission to data receiving parts of all data receiving calculators in the base by a data relay part. Among the data receiving calculators to which broadcast transmission is carried out, the data receiving calculators designated by the packets makes a reception completion response to the data distribution calculator 11 by a reception completion responding part. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
