COMMUNICATION METHOD, COMMUNICATION SYSTEM, COMMUNICATION DEVICE, MANAGEMENT DEVICE, RECORDING MEDIUM AND USER INFORMATION MODULE

摘要

PROBLEM TO BE SOLVED: To provide a communication system for enabling a server device to grasp user's activity on a communication network, even when communication is executed between users mutually through the communication network without the aid of the server device. SOLUTION: This communication device 31 holds this user information module including user attribute information for showing the attribute of the user 41. When the communication device 31 communicates with a communication device 33, the communication device 31 transmits the user attribute information of the user 41 to a communication device 32, and receives the user attribute information of a user 42 from the communication device 32 and holds it, and the communication device 31 transmits the held user attribute information of the user 42 to this management device 5.