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 ...

Sprint is to change its entire circuit-switched telephone network to packet technology in an attempt to keep up with customer demand for capacity, it announced Tuesday. All eight million of Sprint’s ...

One of the design requirements for the networks that evolved into the Internet was the ability to keep functioning, even if some nodes or links were disabled or destroyed in war. The packet-switched ...

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.

With high-speed 100-GbE communication network standards converging, switching functions play a key role in the smooth functioning of the Internet. The aggregated network traffic doubles every six ...

When speeds drop, we assume the switch is overheating, or a port has gone bad, or perhaps the packet buffer is overflowing.