This invention allows to control archive of data without any load on the
operator of a service by automatically changing the archive condition in
correspondence with product information related to the service. When data
is to be archived in an apparatus connected to a network, the data
archive period is changed on the basis of the information of a product
related to the service, which is sent from the user. For example, when
the archive condition is the archive period, control is executed to
delete data that has expired.