本文在分析资源预留协议的基础上，给出一种基于IP安全协议隧道协议的虚拟专用网服务质量的实现方案。
According to the analysis of resource reservation protocol (RSVP), this paper puts forward an implementation scheme to the QoS of VPN, which is implemented by IPSec tunneling protocol.
介绍了虚拟专用网(VPN)的构建方案以及VPN服务器和客户机的具体配置过程，为远程用户访问内部网络提供了一种实用的解决方案。
Construction methods of VPN and concrete configuration processes of VPN server and client are introduced this article, which provides a practical method for remote users to visit Intranet.
服务供应商可以利用这种虚拟专用网提供端到端可扩展的、分级别的商业IP业务，而且与用户的配置和管理可以更加简单。
Service providers may use VPN to provide end to end scalable and classified commercial IP services. At the same time, the configuration and management of users will be further simplified.
提供核心交换机的冗余，虚拟专用网的接入与各种服务器的安装、配置。
The redundancy provided the core switch, installation, configuration and access server virtual private network.
提供核心交换机的冗余，虚拟专用网的接入与各种服务器的安装、配置。
The redundancy provided the core switch, installation, configuration and access server virtual private network.
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