CDN77 has announced that its global network capacity has crossed the 50 Tbps threshold, handling daily traffic peaks of up to 25 Tbps. To optimize costs and scale performance further, the CDN provider plans to transition its core points of presence (PoPs) to 400G Ethernet.
CDN77’s leap to 50 Tbps and 400G readiness signals an aggressive push to compete with legacy giants on price and technical efficiency. By modernizing its core PoE with higher-density 400G ports, the company can handle the surge in 4K/8K streaming and live events while maintaining a lower cost-per-bit than rivals tied to older 100G architectures. This infrastructure expansion is critical as streaming video now accounts for over 50% of global internet bandwidth. Watch for CDN77’s 100 Gbps link-based ring deployment between U.S. and European PoPs as a primary indicator of its trans-Atlantic performance gains.
CDN77's 50 Tbps milestone in early 2021 was part of a multi-year capacity expansion that has since accelerated significantly. By September 2023, CDN77 selected EXA Infrastructure for multiple 400G and 100G wavelength services to scale its trans-Atlantic connectivity, with the company's network having grown to 130 Tbps at that point. The EXA deal provided diverse routing across 15 European countries on 400G infrastructure, directly extending the 400G Ethernet transition that CDN77 first outlined alongside its 50 Tbps announcement.
The 400G rollout CDN77 described in January 2021 was not merely aspirational. CDN77's current network page confirms that its private backbone is now built upon 100/400GE infrastructure interconnecting its largest PoPs, with 235 points of presence across 135 countries and a stated global backbone capacity of 330 Tbps. That represents a more than sixfold increase from the 50 Tbps figure announced at the time of this story, validating the cost-reduction and throughput gains the company projected from the 400G transition.
CDN77's growth trajectory reflects the broader CDN market's shift toward higher-density optical transport. The EXA Infrastructure partnership cited a 2022 Omdia report projecting a 31.5% compound annual growth rate for 400G over the following five years, underscoring that CDN77's early commitment to 400G aligned with industry-wide demand for higher-capacity interconnects driven by video streaming and data-intensive workloads.
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