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本文给出了 Ｔ Ｍ Ｎ 中定义管理对象间相关关系的作用属性定义法（ Ｒ Ａ 定义法），结合用户接入网配置管理描述了从宏观上表示一个管理域内的所有相关关系的 Ｅ Ｒ 图表示法，分析了在相关关系管理中存在的问题，并结合实际提出解决的方法。
In this paper, the definition of the role definition method (R A definition method) that defines the correlation between management objects in T M N is described. Combined with the user access network configuration management, a description is given of the macro-view of all the relevant relationships in a management domain. Graphical representation, analyze the existing problems in the relational management, and put forward the solution according to the actual situation.