对于远程测试多媒体网络的需求进行了详尽的分析，提出了一种利用IP分组交换网建立虚拟专用网络的网络模型。
After a detailed analysis of multi-media network on remote satellite tests, a virtual special multi-media network model using IP exchange nets was proposed.
提供核心交换机的冗余，虚拟专用网的接入与各种服务器的安装、配置。
The redundancy provided the core switch, installation, configuration and access server virtual private network.
提供核心交换机的冗余，虚拟专用网的接入与各种服务器的安装、配置。
The redundancy provided the core switch, installation, configuration and access server virtual private network.
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