<https://cignal.ai/2021/12/ip-over-dwdm-and-coherent-pluggables-impact-metro-wdm-spending/>
<http://schema.org/description>
"Metro forecasts cut as historical growth rate of 6% is expected to flatten by 2023"
<https://cignal.ai/2021/12/ip-over-dwdm-and-coherent-pluggables-impact-metro-wdm-spending/>