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文章对开放式系统的安全进行了综述,着重描述了开放式环境的世界模型和安全域关系模型,在OSI协议层的基础上,对OSI的安全协议模型进行了研究.
In this paper, the security of open systems is reviewed. The world model of open environment and the relation model of security domain are described emphatically. Based on the OSI protocol layer, the security protocol model of OSI is studied.