MPLS VPN(Multi-Protocol Label Switching-Virtual Private Network)is a Virtual Private Network bawd on IP network in which the technologies of MPLS,QoS and Flow Control are used.

• 采用MPLS(Multiprotocol Label Switching,多协议标记交换)协议,结合服务等级、流量控制等技术,在公共IP网络上构建虚拟专网(VPN--Virtual Private Network),这就是MPLS VPN技术。