Multi-Protocol Label Switching OR mpls . What are the benefits? And how it work?

- Create Virtual routing tables per VPN

- Can use same ip@ ranges between different customers, no overlapping

- Secure customer network route adv's from being seen by another customer VPN

- easily implement many designs setup like hub-and-sopke, any-to-any VPN and so on

there are many benefits, some of them speed, less heading on routers, QoS, Traffic Engineering, vpn and using any type of protocol in L2 or L3