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在介绍VPN技术的概念、工作原理、体系结构的基础上,对这项技术的发展、组网方式、市场前景、所应用的领域及典型应用做了详细分析和阐述。
Based on the introduction of the concept, working principle and architecture of VPN technology, this paper gives a detailed analysis and elaboration on the development of this technology, networking mode, market prospect, applied fields and typical applications.