The packet data market is feeling pressure from IP VPN and Ethernet services; but because most businesses are transitioning their networks to emerging services and not performing full, one-time ...

Ten years ago, we were in the midst of the controversy over whether frame-based technologies, such as frame relay and IP or cell-based technologies (ATM in particular), would form the foundation of ...

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 ...

Many of us don’t give much thought to just what is traversing the corporate network. That is largely a job for the company’s system administrator. The thing of it is, though, the sysadmin quite often ...