【摘要】 虚拟专用网代表了当今网络发展的最新趋势,它可利用公共网络替代传统专线而在企业中进行网络互联,在减轻企业费用的同时还带来了数据安全、管理方便等方面的保证.在分析IP-VPN基本概念、原理,技术优势的基础上,着重探讨了其隧道协议、数据包过滤、信息加密、用户认证、QOS等核心技术的构成及实现方法并对IP-VPN的应用方案进行了分析.更多还原

【Abstract】 Virtual private networking represents the newest trend of network development.It accomplished network interconnection in enterprises by utilizing public network rather than the special data line,thus diminishes not only costs of the enterprise,but also guarantees data security and management convenience.In this paper,based on basic concept,virture and technical advantages of IP-VPN,we discuss the composition and implementation of some core techniques such as tunneling protocol,packet filtering,information encryption,user certification,and QOS.Application plans of IP-VPN are also analyzed.更多还原