PWE3 introduction

A pseudo wire emulation edge to edge (PWE3) service is a point-to-point connection on an MPLS L2VPN.
PWE3 provides methods for carrying network services such as ATM, frame relay, Ethernet, time division multiplexing (TDM), and synchronous optical network/synchronous digital hierarchy (SONET/SDH) over a packet switched network (PSN).

PWE3 is developed based on draft-martini-l2circuit-trans-mpls and in compliance with RFC 4447. Currently, PWE3 supports only FEC 128.

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