An MFP which holds resources stores resource information of the held resources. Whether or not a resource holding request has been added to a resource downloading request from an SFP is discriminated. If it is determined that the resource holding request has been added, a holding priority to decide a...http://www.google.de/patents/US20080052342?utm_source=gb-gplus-sharePatent US20080052342 - IMAGE FORMING APPARATUS, RESOURCE HOLDING APPARATUS, IMAGE FORMING SYSTEM, RESOURCE REQUESTING METHOD, RESOURCE HOLDING METHOD, RESOURCE MANAGING METHOD, AND PROGRAM