AT&T is offering users another flavor of VPN that the carrier says is more economical than traditional frame relay networks and typically more economical than customer premises equipment-based IP VPNs ...

There are two common techniques for implementing Layer 2 VPNs within an MPLS network. One of these techniques, the Draft-Martini VPN, can support a wide range of encapsulations, including Ethernet, ...

We're in the process of switching to a new MPLS provider. With our old provider, we used point-to-point IP addresses between our CE and the PE in the RFC 1918 range. We also used only BGP AS numbers ...