DATA TRANSFER METHOD

摘要

PROBLEM TO BE SOLVED: To provide the data transfer method that can cope flexibly with various system configurations, and has an excellent processing efficiency and simple error processing. SOLUTION: Data that are divided into plural data blocks are transferred from a 1st node 1 to a 2nd node 2 on a bus system where a node identifier is assigned to each node. In this case, prior to transfer of one data block, a control node 3 issues a data block reception instruction 4 to the 2nd node 2 and issues a data transmission instruction 5 including a node identifier of the 2nd node 2 to the 1st node 1. After that, the transfer of the data blocks from the 1st node 1 to the 2nd node 2 is executed, and after the end of transfer of the data blocks, the 1st node 1 informs the control node 3 of the execution result of the data block transfer processing and the 2nd node 2 informs the control node 3 of the execution result of the data block reception processing.