400G Optical Transceivers: QSFP-DD vs. OSFP vs. QSFP56 – A Decision Guide for Network Architects
The math is straightforward: global IP traffic is on track to exceed 5.3 zettabytes annually by 2026, and the compound annual growth rate for 400G optical transceivers is projected to hover around 15% through 2035. Hyperscalers, telecom carriers, and enterprise data centers are all racing to deploy 400G Ethernet, but the form factor question remains…