VPN被宣传为可为超负荷工作、资金吃紧的网络管理人员带来福音。但是,在对VPN解决方案进行了全面详细的审查之后,VPN的确可带来可观的节约,但是并非对每个人。如果公司粗心大意,则虚拟专用联网并不会带来任何节约。实现节约的两个最重要因素是所支持的用户量和这些用户使用VPN的时间。一旦把这两个因素分別提取出来并加以研究,采用何种解决方案最为合适也就确定了——是采用一种室内方案、以用户计算的方案还是以小时计算的系统。为进行分析,假设了一定网络的用户和访问时间,而且许多用户都必须拨号和复制。在所考查的方案中,用户的数量和他们使用VPN的时间均有不同程度的增加,其中雇员不使用RAS系 The VPN is being promoted as a good news for network managers who are overworked and under-funded. However, after a full and detailed review of the VPN solution, VPNs do yield significant savings, but not for everyone. If companies carelessly, virtual private networking does not bring any savings. The two most important factors for achieving savings are the number of users supported and the time these users are using VPNs. Once these two factors have been separately extracted and studied, it is most appropriate to determine which solution to adopt - whether to adopt an indoor solution, a user-calculated solution, or an hourly calculation. For the sake of analysis, it is assumed that a certain network of users and access time, and many users have to dial and copy. In the scenarios examined, both the number of users and their time spent on VPN increased to varying degrees, with employees not using RAS