CWDM vs DWDM: Key Differences, Cost Comparison & When to Choose Which

By 2025, global IP traffic will exceed 8 zettabytes per year, and the vast majority of it will travel on wavelength-division multiplexed fiber. Every network planner, from hyperscale data center operators to regional ISPs, faces the same pivotal decision: Should we deploy CWDM or DWDM? This definitive guide leaves no stone unturned. We compare Coarse […]