Nowadays both NGN network and 3g mobile communication network (will be in the construction) of Guizhou net communication Co. need to use IP VPN technology.

当前贵州网通的NGN网络及即将建设的3g移动通信网络都需要使用到IP VPN技术。

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Some form of network-level encryption, such as a Virtual Private Network (VPN), perhaps using IP Security Protocol (IPSEC), is the most obvious solution, although there are other reasonable choices.

某种可能使用 IP 安全性协议 (IPSEC) 的网络级加密形式（例如虚拟专用网 (VPN)）是最可取的解决方案，虽然也有其他合理的选择。

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So that was about free VPN services that let you hide your IP address and browse the web anonymously through an encrypted connection.

以上就是能让你隐藏ip地址通过加密连接匿名浏览网页的免费VPN服务的介绍。

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Bitcoin address logs for a bitcoin exchange are like IP logs for a VPN.

FORBES: Bitcoin's Greatness Not Realized By Succumbing To Regulation

The telecommuting boom has been driven in part by the rapid penetration of broadband in the home, easier and cheaper forms of IP telephony, more robust VPN (virtual private network) software, plus a new generation of powerful laptops that are true desktop replacements.

ECONOMIST: Tech.view