摘要： VPN can be implemnted based on hardware or software,but these products are very expensive produced by some famous foreign country.Sun workstations are the main platform in China.So,developing security software based on Solaris is profound.First,according

关键词: 虚拟专用网 数据包 隧道协议 数据封装 企业网 VPN 设计 SecureGuard－Solaris