wang ge yan jiu de yi ge zhu yao mu biao shi shi xian kua zu zhi kua di yu de xie tong gong zuo er qun zu tong xin shi shi xian xie tong gong zuo de zhong yao ji shu qun zu tong xin ji shu tong guo jiang can yu xie zuo de ge fang zu zhi cheng yi ge xu ni de qun zu cong er shi xian qun zu de cheng yuan guan li fang wen kong zhi he you xiao de shu ju chuan shu ru jin an quan wen ti yue lai yue yin qi ren men de gao du zhong shi ru he bao zheng tong xin shu ju de wan zheng xing bao mi xing shi ji dai jie jue de guan jian wen ti qun zu tong xin yu dian dao dian tong xin xiang bi can yu tong xin de shi ti geng duo shu ju fu ben ye geng duo wu lun shi tong xin shi ti huan shi tong xin shu ju suo mian lin de an quan wei xie ye geng da yan jiu wang ge huan jing xia de an quan qun zu tong xin dui yu ti gao wang ge de xie tong gong zuo neng li ju you zhong da de xue shu jia zhi he shi ji yi yi ben shu she ji le yi ge shi yong yu wang ge huan jing de an quan qun zu tong xin kuang jia DGSGCA Domain based Grid Secure Group Communication Architecture ji yu gai kuang jia she ji le liang zhong mi yao guan li ji zhi GKMS I he GKMS II bing she ji le yi zhong qun zu xiao xi que ren fang an GMackS