META Trend: The stability and affordability of wide-area network (WAN) services will accelerate data center consolidation and administrative centralization, increasing WAN costs. Frame relay services ...

Frame relay won in the WAN over ATM, which proved too expensive despite its good points, such as five levels of QoS. Now MPLS is pushing aside both. The debate about frame relay vs. ATM as WAN ...

Frame relay had a good run, but the rise of MPLS VPNs has spelled the beginning of the end for the old WAN technology. VPNs burst on the scene in the late 1990s as a way to use the Internet securely ...

A high-speed packet switching protocol used in wide area networks (WANs). Providing a granular service of up to DS3 speed (45 Mbps), it has become popular for LAN to LAN connections across remote ...

We use the phrase cloud networking to refer to the functionality that has to be in the network and in the management of the network in order to support cloud computing. We are going to use this ...

High-speed WAN links are becoming more common and less expensive, but not necessarily more reliable. Enter the WAN link aggregators. The ability to link offices with a combination of leased lines and ...