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163／169网上L2TP与IPsec结合的意义IP接入网的主要特征是实时快速、宽带多媒体、综合化、双向不对称、移动性以及可扩展性。而对IP接入网多种接入方式的安全性、带宽瓶颈、QoS、与现有技术的兼容性、标准化程度等性能方面的比较则是目前学术界研究的重点。特别是Internet黑客
163/169 The Significance of the Combination of L2TP and IPsec on the Internet The main features of the IP access network are real-time fast, broadband multimedia, integration, bidirectional asymmetry, mobility and scalability. However, the comparison of the performance, such as security, bandwidth bottleneck, QoS, compatibility with existing technologies and standardization of IP access network is the focus of academic research at present. Especially Internet hackers