Patent ID: 8630006

Claim:
An image processing system comprising: a job cooperation server for executing a predetermined processing for execution of a job; an image processing device for cooperating with said job cooperation server and executing the job; an authentication server for executing user authentication and issuing an underlying ticket corresponding to a user and for issuing a ticket to use said job cooperation server based on said underlying ticket; and an information processing device for acquiring and storing said underlying ticket by sending a request for authentication to said authentication server based on authentication information entered by the user and for acquiring said ticket to use said job cooperation server from said authentication server with said underlying ticket, wherein said information processing device acquires said ticket for said image processing device to use said job cooperation server from said authentication server with said underlying ticket and transmits said ticket to said image processing device, said image processing device accesses said job cooperation server with said ticket acquired from said information processing device and executes the job through cooperation with said job cooperation server, a plurality of said image processing devices are connected through a network, said information processing device determines a predetermined number of image processing devices as destinations of said ticket from said plurality of image processing devices based on usage history of said plurality of image processing devices, and transmits said ticket for using said job cooperation server to said predetermined number of image processing devices, respectively, said job cooperation server sends a job completion notice indicating completion of execution of the job through cooperation with one of said predetermined number of image processing devices to said information processing device in response to completion of execution of the job through cooperation with said one image processing device, and said information processing device sends a ticket deletion order to other image processing devices besides said one image processing device of said predetermined number of image processing devices based on said job completion notice, thereby causing the ticket transmitted to said other image processing devices to be deleted.