BACKUP METHOD OF NETWORK SYSTEM, BACKUP PROGRAM AND RECODING MEDIUM WITH THE PROGRAM RECORDED THEREON

摘要

PROBLEM TO BE SOLVED: To back up a system without stopping the service of the system in a small number of additional messages such as a marker message in a dispersive agent system. SOLUTION: An auxiliary program and a main program of respective agents mutually cooperate, record the state of each own agent, mutually transmit and receive the market message between the agents having the dependence relationship with the own agent, and record a message train from the other agent up to receiving the marker message from the other agent to back up a network system.