Direct Internet Access (DIA), Ethernet, Fibre, EFM (Ethernet First Mile). LAN Extension (LES), WES, Point-to-point (P2P), off-net, on-net, T1 and E1 amongst others. Ethernet First Mile (EFM) EFM is delivered over existing copper and is typically half the price of a standard leased line yet provides reliability, high availability and a strong SLA.