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该文介绍了VPN的概念和工作原理,在此基础上提出了基于VPN的协同设计网络模型,分析了基于VPN的协同设计网络的特点和安全性问题,最后给出了一个基于VPN的协同设计网络的解决方案。
This paper introduces the concept and working principle of VPN. Based on this, a collaborative design network model based on VPN is proposed. The characteristics and security of collaborative design network based on VPN are analyzed. Finally, a VPN - based collaborative design Network solution.