【作者】 冯武身；

【导师】 何晓东； 赵琦；

【作者基本信息】 吉林大学 ， 电子与通信工程， 2006， 硕士

【摘要】 虚拟专用网技术,是一门网络新技术,为我们提供了一种通过公用网络安全地对企业内部专用网络进行远程访问的连接方式。VPN(Virtual Private Network)能够利用公用骨干网络的广泛而强大的传输能力,降低企业内部网络/Internet的建设成本,极大地提高用户网络运营和管理的灵活性,同时能够满足用户对信息传输安全性、实时性、宽频带、方便性的需要,所以,很受一些大型跨地域集团用户的欢迎。多协议标签交换MPLS(Multiprotocol Label Switch)是下一代网络的重要技术,它吸收了ATM(Asynchronous Transmission Model)和IP(Internet Protocol)的优点,将ATM的面向连接和IP的选路结合一起。在提供IP业务时能够保证QoS(Quarlity of Service)和安全性,同时也增强了网络的可扩展性和灵活性。MPLS可以提高IP网的服务质量,这些服务包括流量工程和虚拟专用网(VPN)。今天,它己经变为构成下一代网络技术的重要组成部分。本文首先介绍了VPN、MPLS VPN技术的发展、基本工作原理、优势以及对二层、三层MPLS VPN技术进行阐述.接着按照三层MPLS VPN的体系结构组建了合理的营口网通“金盾工程”MPLS VPN网络,对设备选型和拓扑结构进行了细致的分析,对“金盾工程”MPLS VPN平台的部分核心配置进行了详细的注释,细化的分析了MPLS VPN路由分发机制,说明选择MPLS VPN技术的理由。并以“金盾工程”实例,深入研究了MPLS VPN应用的设计、配置及实现.详细阐述了MPLS VPN技术在该工程中的实际应用。更多还原

【Abstract】 With the developing of Internet and electronic commerce, the best approach to global economy is the commerce application based on the Internet. With the gradual frequency of business affairs, every corporation allows their business partners, providers to browse their local area network in order to make information easily and speed up the pace of changing information. The cooperation and connect is dynamic, and it is maintained and improved by the Internet , the information communication not only make the Internet complicate ,but also take the problems of supervising and security, so the business on the Internet is confronted with the non-good intention information threat and the security danger. Meanwhile, with the corporations growing and being transnational, there are more affiliates and more general that the network infrastructure is not compatible. Therefore, information technical departments have more difficulties with connecting affiliates, and it is most focused on how to maintain the internet with less money and more effective on the premise of ensuring the security, what the users need is the direct reason of virtual private network. Virtual private network (VPN) can provide the ideal approach to network function what the corporation needs. It cannot only provide the common communication network infrastructure to recent corporations to gain convenience and economic benefit, but also can make sure the security of point to point connect.Unfortunatly,existing VPN solutions are not all interoperable and may be tied to one equipment vendor and/or a single SP, This has created strong更多还原