L2VPN

There are different L2VPN technologies like L2TPv3, VPLS, H-VPLS, AToM. Except L2TPv3, the others require a MPLS backbone. L2TP uses IP protocol 115   Point-to-Point Layer 2 Tunneling Protocol v3 (L2TPv3) Any transport over MPLS (AToM) Point-to-Multipoint Virtual Private LAN Service (VPLS) Hierarchical Virtual Private LAN Service (H-VPLS) Payload agnostic supports Ethernet, Frame-Relay, ATM, HDLC, … Read more