SONET/SDH

Carrier Ethernet ready for a fight - SONET/SDH may be losing ground

Jun 14, 2011 by Mark Durrett

In the first installment in this series, we reported that service provider CapEx spending on Carrier Ethernet equipment seems to be overtaking spending on SONET/SDH in transport applications and that the respondents overwhelmingly (nearly 100 percent agreement) indicated support for Carrier Ethernet in the access portion of the network, while closer to 80 percent support its use in the core.

Survey Says! - Results of Carrier Ethernet SONET/SDH Displacement Survey are In

May 24, 2011 by Mark Durrett

We wrapped up the Carrier Ethernet SONET/SDH Displacement survey a few days ago, just in time to share the preliminary results with the audience at TIA 2011 last week. Mark McDonald and Don MacNeil of Overture and XO Communications, respectively, led a highly interactive session. We are still analyzing the results and working on a detailed report, but we’ll share a sneak peak at the results in this column today.

G.8032 is Spot on for Carrier Ethernet

Jul 6, 2010 by Scott Knox

There are a number of things that service providers like about SONET/SDH.  They like the 50ms protection switching, deterministic performance even when the ring is fully loaded and five-9&rsq

The Scorecard Shows Carrier Ethernet: 5, SONET: 0

Jun 10, 2010 by Dave Stehlin

Top 5 Reasons for Service Providers to Make the Jump to Carrier Ethernet

Does the bright dawn of Carrier Ethernet mean sunset for SONET and SDH?

May 20, 2010 by Dave Stehlin

Network operators today are facing a critical transition thanks to a number of factors, including continued expansion of IP-based business services and the overwhelming growth of new video and data