Research on Model of Group Management Based on IDM

Firstly the paper introduces the key problems in unified privileges management(UPM) of digital Campus.By the methodology of the top level designment,it designs the group data prototype and point out the characteristics of group management.Secondly,it researches on the new model of the group management,which resolves the problem of roles management in unified privilege management.Lastly,it describes the designment and implement of the group model in details.