电子政务外网是我国电子政务重要的基础设施。新时期广东省提出构建一个“具备韧性、全面融合、广泛覆盖” 的新一代政务外网，这对网络的覆盖面、稳定性、安全性等提出了更高的要求，对此结合SPN技术和超级SIM零信任安全网关 技术探讨新一代政务外网的规划、设计和建设。

Government extranet is an important infrastructure of e-government in China. In the new era, Guangdong Province pro‐ poses to build a new generation government extranet with "resilience, comprehensive integration and extensive coverage", which puts forward higher requirements for the coverage, stability and security of the network. Therefore, combining SPN technology and Super SIM zero trust security gateway technology, this paper discusses the planning, design and construction of a new generation of government extranet.