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 ...

Plans to deploy virtual private networks using a new technology have sparked recent controversy, with the debate illustrating the need for technology managers to tune in to different ways carriers ...

After years of criticizing a technology known as multiprotocol label switching, the long-distance carrier succumbs to market pressure and will offer MPLS virtual private networks. Marguerite Reardon ...