A service provision device having a service provision unit configured to provide a client with a plurality of services, comprising: a receiving unit (11, 101, 201) adapted to receive a printing job request from a client which is connected through a network to the service provision unit, and upon reception of the printing job request from the client, the receiving unit receiving an identifier of the client and a time-out period for a session; a service unit (12, 104, 204) adapted to provide a plurality of services to the client in response to receiving the printing job request from the receiving unit; an instruction unit (17, 109) adapted to provide a printing instruction, containing image processing-related attribute information concerning the contents of printing, the instruction associated with and arranged to be created in response to the printing job request from the client; a job execution unit (13, 105) adapted to provide an interface to a service executor adapted to perform the printing service-related processing, and adapted to perform a job related to the printing service-related processing; and a session unit (14, 103, 203) adapted to provide a session between the service provision unit and the client, wherein: the receiving unit is adapted to create two or more services available for the client among the plurality of services provided by the service unit, based on the client identifier, the session time-out period and the image processing request received from the client, and adapted to associate an identifier of the time out period of the session, the 1137368-1-STAOR client identifier, and two or more service identifiers of the services available for the client, in a table, and the instruction associated with the client and adapted to provide a printing-related service remains the same while the session is effective. a receiving unit (11, 101, 201) adapted to receive a printing job request from a client which is connected through a network to the service provision unit, and upon reception of the printing job request from the client, the receiving unit receiving an identifier of the client and a time-out period for a session; a service unit (12, 104, 204) adapted to provide a plurality of services to the client in response to receiving the printing job request from the receiving unit; an instruction unit (17, 109) adapted to provide a printing instruction, containing image processing-related attribute information concerning the contents of printing, the instruction associated with and arranged to be created in response to the printing job request from the client; a job execution unit (13, 105) adapted to provide an interface to a service executor adapted to perform the printing service-related processing, and adapted to perform a job related to the printing service-related processing; and a session unit (14, 103, 203) adapted to provide a session between the service provision unit and the client, wherein: the receiving unit is adapted to create two or more services available for the client among the plurality of services provided by the service unit, based on the client identifier, the session time-out period and the image processing request received from the client, and adapted to associate an identifier of the time out period of the session, the 1137368-1-STAOR client identifier, and two or more service identifiers of the services available for the client, in a table, and the instruction associated with the client and adapted to provide a printing-related service remains the same while the session is effective. the receiving unit is adapted to create two or more services available for the client among the plurality of services provided by the service unit, based on the client identifier, the session time-out period and the image processing request received from the client, and adapted to associate an identifier of the time out period of the session, the 1137368-1-STAOR client identifier, and two or more service identifiers of the services available for the client, in a table, and the instruction associated with the client and adapted to provide a printing-related service remains the same while the session is effective.