A Security Model Based on Architecture Research in Application Area Boundary

In order to provide the whole security solution of the information system,the domestic and foreign informa- tion security experts have put forward new concepts,such as information assurance,information security architecture, which of most famous are“This Information Assurance Technical Framework(IATF)3.1”issued by:US National Se- curity Agency and the technological frames of information assurance,“three horizontal three longitudinal and two cen- ters”,which the domestic expert put forward.Not long ago,Chen Xing-shu put forward security architecture research in application area boundary,on the basis of the two security architecture,a security model is given out about Chen's in this paper,and by analysis,the roles in the model are reasonable and safe.There will be a active effect for informa- tion security theory research by design the model of information security architecture.