Circuits as WAN connections battled successfully against packets for years because they guaranteed bandwidth, no matter what. If you bought a T-1 circuit, the service provider nailed up 1.5Mbps from ...

As the telecom infrastructure evolves from circuit-switched to packet-switched architectures, the Class 5 switch, narrowband digital-loop carrier, and xDSL remote terminal will give way to the ...

The transition to packet technology for deliver ing both voice and data will be incremental. Carriers have billions invested in the circuit switched infrastructure and a voice service revenue model.

A digital network technology that breaks up a message into smaller chunks (packets) for transmission. Unlike circuit switching in traditional telephone networks, which requires the establishment of a ...