My basic understanding is that E-LAN is the MEF (metro ethernet forum) term. VPLS is the underlying protocol (an MPLS enhancement) that enables E-LAN. read more
My basic understanding is that E-LAN is the MEF (metro ethernet forum) term. VPLS is the underlying protocol (an MPLS enhancement) that enables E-LAN. Cisco uses the terms almost interchangeably though arguably, other protocols or technologies could emerge to provide point-to-multipoint LR ethernet. read more