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文章介绍基于BGP/MPLS的VPN方案组成和原理,并简述该方案所涉及的路由信息约束分布、VPN-IP、QoS、安全和可扩展性等功能。
The article introduces the composition and principle of BGP / MPLS based VPN solution, and describes the routing information constraint distribution, VPN-IP, QoS, security and scalability involved in the solution.