The VPN service management architecture is proposed based on the logical layer architecture of the TMN and the function of the subsystem in the architecture is analyzed.

基于TMN的逻辑分层体系结构，提出VPN业务管理的体系结构，分析了体系结构中各个子系统的功能。

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The API layer transaction strategy gets its name from the fact that all transaction logic is contained in the API layer of the logical application architecture.

API Layer事务策略的命名基于这样一个事实：所有事务逻辑包含在逻辑应用程序架构的api层。

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The E-UTRAN architecture, i. e. the E-UTRAN logical nodes and interfaces between them, are defined as part of the Radio Network Layer.

E-UTRAN结构，也就是指E-UTRAN的逻辑节点和节点之间的接口，作为无线网络层的一部分被定义。

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