LAS VEGAS — While frame relay may be one of the most widely accepted ways of linking geographically dispersed corporate sites, MultiProtocol Label Switching (MPLS), a no-nonsense high-speed routing ...

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 ...

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 ...

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 ...