What is the difference between MPLS and traditional IP technology?

mpls is based on ip, the two are not at the same level, a little common understanding, you can understand mpls as "expanding the vpn network" vpn is also based on ip oh MPLS is a kind of open communication network using labels to guide the high-speed, efficient transmission of data on the new technology. Its value lies in the ability to introduce the characteristics of the connection mode in a connectionless network; its main advantage is to reduce the complexity of the network, compatible with a variety of existing mainstream network technology, can reduce the cost of the network by 50%, in the provision of IP services to ensure that the QoS and security, with traffic engineering capabilities. In addition, MPLS can solve the problem of VPN expansion and maintenance costs.