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DWDM networks are growing in complexity to meet the ever‑increasing need for bandwidth. New technologies such as tighter channel spacing, ROADMs and coherent systems increase the number of causes that...

A recap of the 2013 Transport Network for Mobile Operators (TNMO) Conference, where I presented at the pre-conference workshop and listened to speeches from multiple MNOs

To ensure the proper deployment and optimal performance of 100G Ethernet networks, carriers must use the right troubleshooting tools. This article describes the various key tests that can be used to i...

Network performance can be affected in many ways, and any problems can give rise to serious complaints from your customers, leading to additional expenses. To help you avoid such situations, we’ve com...

TravelHawk Pro is the ultimate portable troubleshooting analyzer for accurate capturing and full LTE network coverage—for ultimate performance.

While network operators cannot always be expected to sustain their traditional network-maintenance model, justifying the continuous and proactive investment in optical-layer testing to their engineeri...

Since Alexander Graham Bell's first call in 1876, the technology of telephone subscriber services has remained remarkably unchanged. But, change is coming down the line, with a new method of providing...