Enterprise network engineers upgrading their Ethernet backbones, and service provider network engineers deploying metro Ethernet and triple-play services, share a common challenge. When scaling packet ...

As we mentioned last time, there was an entire industry built around using TDM bandwidth efficiently due to the compelling economics of building corporate private-line networks. By the late 1980s, ...

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 ...

Verizon Communications this week announced plans to shift its nationwide telecommunications network to packet-switched technology as part of a plan to offer new voice-over-IP and multimedia services.