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 ...

VPNs have pretty much buried frame relay as a WAN technology, according to a survey by Forrester Research. According to the report, 48% of businesses surveyed use site-to-site VPNs for 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 ...

http://ipexpert.ccieblog.com/ – OSPF is a topic that must be absolutely mastered for the CCIE lab exam. Many students understand the fundamental concepts, but get ...

In keeping up with WAN designs and technologies, where are good places to keep up to date with Layer 2 technologies and new ideas. I've had a helluva time collecting good information at this layer.

Now that retailers are using so many high-tech applications at their stores, they face a growing challenge: figuring out a way to transfer all of the text, voice and video associated with those ...