文末最后又详细介绍了虚拟专网和免费电话800业务。
Finally, the paper introduces virtual private net-work and free telephone (800) services.
VPN虚拟专网是在互联网公用网络上建立私有的专用网络。
VPN Virtual Private Network is a private special network built in public net of internet.
本文的第五章，对奥运虚拟专网项目的特色风险进行举例分析，得出风险处理的结果。
The chapter 5, I proposed distinctive risks, and discussed and analyzed them, obtained the results of the risks.
文章提出了电话虚拟专网P_ VPN安全模型，其体系包括管理层、传输层和控制面。
This paper presented the virtual telephony network, P_VPN. The architecture of P_VPN includes management layer, transmission layer and control plane.
中国铁通互联网是实行统一管理、集中调度的高速宽带IP，可向用户提供互联网接入、多协议标签交换虚拟专网等业务。
CTT net is a high speed broadband IP network with concentrated condition and unified management, which can provide users with Internet access, - and other functions.
中国铁通互联网是实行统一管理、集中调度的高速宽带IP，可向用户提供互联网接入、多协议标签交换虚拟专网等业务。
CTT net is a high speed broadband IP network with concentrated condition and unified management, which can provide users with Internet access, - and other functions.
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