In 2021, we commissioned Heavy Reading to conduct a global survey of CSPs to better understand the impact of network convergence and IPoDWDM on their businesses. In 2025, we commissioned a new Heavy Reading survey to track industry progress over the last four years and to get a fresh understanding of plans, preferences, and challenges moving forward. This wide-ranging report is a summary of that survey and provides insights into everything from primary decision-making criteria for IPoDWDM to management requirements in converged IP and optical networks.
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IP over DWDM: Global Survey Analysis
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100ZR QSFP28 Coherent Transceiver
Compared to traditional IM-DD optics, 100ZR QSFP28 coherent pluggable transceiver uses coherent technology to deliver 100 Gb/s data transmission across longer reach, and, with support for DWDM, can scale to 9.6 Tb/s capacity on a single fiber pair,
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What’s new in coherent routing: Insights you can’t miss!
Coherent routing has seen a significant evolution over the years, particularly with the advent of the 800G ecosystem. Ciena’s Ivana Lemos reflects on key industry shifts, recent announcements, and insights from a Heavy Reading global survey.
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