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 wide area network spans a large geographic area such as a city, state, or country. It can be private to connect parts of a business, or it can be public to connect smaller networks. The easiest way ...

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 ...