As Internet usage continues its growth, carriers continue to see a steady increase in packet data traffic on their metro networks. Cable providers, or multiservice operators, are experiencing similar ...

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, ...

In packet switching architectures, multicast transmission to two or more ports is inherent to the forwarding mechanics of certain protocols while strictly operational necessities in others. For ...

You may recall that Ethernet networks are based on a protocol calledCarrier Sense Multiple Access with Collision Detection, commonly knownas CSMA/CD. This means that data packets from the various ...

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 Corp. is to change its entire circuit-switched telephone network to packet technology in an attempt to keep up with customer demand for capacity, the company announced today. All 8 million of ...

Four factors are key in designing new networking boxes: power consumption, density, cost, and scalability. Reducing power consumption means using a minimum number of efficient integrated links and ...

Despite the industry attention it has received, voice-over-IP (VoIP) is not the only way to send voice across a packet-switched network. In fact, it may not even be the best approach for some ...

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.