摘要： 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.

关键词: 现实世界模型, 安全域关系模型, 安全协议模型

Abstract: In this paper, we discussed the open systems security domodel of real-world and model of security domain relation were discribled. Based on the OSI layer relation, the model of open system security protocol model was presented in details.

中图分类号: 

• TP393