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 ...

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 ...