
The Optical Transport market, largely driven by WDM equipment, is forecasted to increase in size annually for the next five years, reaching nearly $18 billion, according to Dell’Oro Group's Optical Transport 5-Year Forecast Report. The top number is unchanged from Dell'Oro's earlier forecast, however, the outlook is lower for WDM Metro since the coherent 400 Gbps ZR (400ZR) pluggable optics are now available and "interest in using them...