另外，也介绍了网络需要引入特定的功能实体及系统接口，从而实现与基础网元的组网。

Besides, the function entities together with system interfaces are introduced, which is to interwork with the current network element.

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论述了卫星组网联邦的开发过程及卫星邦元的模型，给出了联邦FOM结构及仿真流程。

We introduced the process of federation development and introduced the model of the satellite. The federation Object model (FOM) was proposed. The process of simulation was introduced.

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