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 ...

In the last newsletter, we discussed the inconvenience of router misconfiguration and the percentage of problems it causes for outages in IP-based networks. In order to look at the security impact of ...

Recently, a reader wrote to tell me about the big relief he felt when he bought a Layer 3 MPLS VPN service. With such a site-to-site service, one option is to peer the WAN routers at customer sites ...

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 ...

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 ...

The service, appropriately titled AT&T Network Based IP VPN, extends IP VPN services over the firm's Multi-Protocol Label Switching (MPLS) network. It was expected to be available to channel partners ...

DENVER — As extensions to the multiprotocol label switching standard make MPLS viable for virtual private network transport, experts are warning against taking the protocol too far, too fast. MPLS is ...

A pair of German researchers at next week's Black Hat Europe will release tools that hack backbone technologies used by service providers in some enterprise network service offerings. More ...