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简要分析了安全域划分的现状和必要性,叙述了信息流向控制的管理方法和技术措施,结论认为控制信息的知悉范围是流向控制的根本。
The status and necessity of security domain division are briefly analyzed. The management methods and technical measures of information flow control are described. The conclusion is that the scope of knowledge control is the fundamental of flow control.