本文中设计主要包括三个部分：网络组织结构设计、IP地址规划和设备命名规范、MPLS VPN设计。

The design mainly includes three parts in the article: the network organization structure design, the layout of IP address and equipment assigns name to the norm, the MPLS VPN design.

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在网络规划中，IP地址方案的设计至关重要，好的IP地址方案不仅可以减少网络负荷，还能为以后的网络扩展打下良好的基础。

The design of IP address scheme is essential to network planning. A good IP address scheme can reduce network load, and it is a foundation for the future network expansion.

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