Global Network Expansion
500 Tbps of capacity: 16 years of scaling our global network

500 Tbps of capacity: 16 years of scaling our global network

4/10/2026 · Tanner Ryan

What this post added

This post details Cloudflare's journey to 500 Tbps of network capacity, highlighting the evolution from early transit and peering to a global distributed platform. It explains the technical implementation of DDoS mitigation using eBPF and `dosd`, the role of Quicksilver for global rule propagation, and the integration of Workers and Durable Objects at the edge. It also discusses the adoption of IPv6, RPKI, and ASPA for network security and the challenges of distinguishing AI traffic from attacks using TLS fingerprinting and behavioral analysis.

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