Patent ID: 8676967

Claim:
An event proxy notification apparatus for notifying a client apparatus of issuance of an event upon receiving the issuance of the event from an event notification apparatus, comprising: a registration unit that registers, upon receiving a notification request, indicating a type of an event and an event notification apparatus of the event and for requesting an event notification, from a client apparatus, information about the type of the event, the event notification apparatus and the client apparatus from which the notification request is received; a determination unit that determines, upon receiving issuance of an event from an event notification apparatus, whether the event notification apparatus, the type of the event and the client apparatus that has requested the event notification of the event have been registered by the registration unit, based on the information registered by the registration unit corresponding to the notification request; and an event notification unit that transmits the event to the client apparatus registered by the registration unit if the determination unit determines that the event notification apparatus, the type of the event, and the client apparatus have been registered, wherein the registration unit requests information for the event notification apparatus included in the notification request for the event and extracts the information about the event notification apparatus based on a response from the event notification apparatus to the request.