Method of communicating with server having flexible address

摘要

A method of and a device for communication between a client and server using a flexible address. The method of receiving a flexible address includes: transmitting a request for communication with a server to a proxy, which retains the flexible address of the server; and receiving a response, which includes the flexible address from the server which received the communication request relayed by the proxy. This enables the client to independently communicate with a server which has a flexible private IP address.