MPLS VPN
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MPLS VPN is a family of methods for harnessing the power of Multiprotocol Label Switching (MPLS) to create Virtual Private Networks (VPNs). MPLS is well suited to the task as it provides traffic isolation and differentiation without substantial overhead.
[edit] Layer 3 MPLS VPN
A layer 3 MPLS VPN, also known as L3VPN, combines enhanced BGP signaling, MPLS traffic isolation and router support for VRFs (Virtual Routing/Forwarding) to create an IP based VPN. Compared to other types of VPN such as IPSec VPN or ATM, MPLS L3VPN is more cost efficient and can provide more services.
[edit] Multipoint Layer 2 MPLS VPN
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