COMMUNICATION NETWORK AND MESSAGE STORAGE DEVICE, AND MESSAGE STORAGE METHOD

摘要

PROBLEM TO BE SOLVED: To provide a communication network and a message storage device, and a message storage method that can suppress operation costs such as installation investment for a communication network. SOLUTION: This invention provides the communication network and the message storage device, and the message storage method where the communication network can set the redundancy of specific information depending on the management organization of data because a message storage device 100 receives message information and an identifier of a sender device, decides a recorder storing the message information on the basis of the identifier and specific redundancy is set to each recorder by each identifier.