In 1992, frame relay was portrayed as an interim technology that would be replaced by Switched Multimegabit Data Service. In 1995, industry insiders predicted frame relay would be devoured by ATM.

Monday’s sample question focused on the data link layer addresses used as frames pass over a Frame Relay WAN. Today, I’ll summarize the key points that must be considered when answering that question, ...

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 ...

A new development that promises to transport frame relay packets more efficiently could result in big improvements in the use of voice over IP across corporate networks. Announced last month by the ...