网通VPN技术浅议

Discussion About VPN Techniques In Network Comunication

VPN技术是一种专网和公网的折衷方案,在廉价的实现用户数据传输需求的同时,又满足了网络安全的要求,是专线式专用网络的替代方案,也是目前网络通信行业采用最广的一种技术,对VPN的隧道技术和加密技术的原理进行了剖析说明,使读者能对VPN技术有所认识。

VPN is a trade-off plan of private network and public network.While satisfing the need of data transfer cheaply, it also satisfies the need of network＇s security.This plan is the substitution of special-line private network,and it also is one of the most widely applied techniques in network eomunieation currently. The dissertation explains the theories of tunnel teniehque and eneryption technique of VPN,so that common people can know more about VPN technique.