Patent ID: 8582744

Claim:
An identifier change notification method to notify a communication device of a change of a communication identifier, the method executed by an information processing apparatus capable of communicating with the communication device, the information processing apparatus including a data storage, the data storage storing a previous identifier and a new identifier in association with each other and history data relating to the previous identifier, the method comprising: receiving incoming data transmitted from the communication device; acquiring, from the incoming data, both a source identifier capable of identifying a source of the incoming data and a destination identifier capable of identifying a destination of the incoming data; acquiring, from the data storage, history data relating to both the previous identifier and the source identifier when the destination identifier matches the previous identifier; determining, on a basis of evaluating the incoming data and the history data, adequacy of notifying the communication device of the new identifier; and transmitting notification data including the new identifier to the communication device based on the determining, and wherein the determining applies a rule set to analyze previous communications related to the source identifier and the previous identifier based on the history data.