Cloudflare

When "idle" isn't idle: how a Linux kernel optimization became a QUIC bug

CUBIC congestion control algorithm's congestion window was becoming pinned at minimum values in QUIC, causing severe performance degradation due to incorrect idle period detection.

networking security
4 min
Cloudflare

Introducing Dynamic Workflows: durable execution that follows the tenant

Enable multi-tenant platforms to execute millions of unique, durable workflows without incurring significant idle infrastructure costs.

distributed-systems microservices
4 min
Cloudflare

Building the agentic cloud: everything we launched during Agents Week 2026

How to enable developers to build and deploy AI agents at scale across a distributed edge computing network while maintaining security and providing necessary infrastructure tools.

distributed-systems security
4 min
Cloudflare

Making Rust Workers reliable: panic and abort recovery in wasm‑bindgen

Rust panics in Cloudflare Workers were fatal and poisoned the entire worker instance, making applications unreliable when unhandled errors occurred.

security observability
4 min
Cloudflare

Shared Dictionaries: compression that keeps up with the agentic web

Web pages are growing larger and slower to load due to increased dynamic content, requiring better compression techniques that can adapt to modern agentic web patterns.

caching api-design
3 min
Cloudflare

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

How to scale a global content delivery and DDoS mitigation network to handle massive throughput (500 Tbps) while maintaining capacity to protect against record-breaking attacks.

load-balancing distributed-systems
3 min
Cloudflare

Welcome to Agents Week

How to enable AI agents to operate effectively at the edge of the internet with the security, performance, and reliability characteristics of Cloudflare's existing infrastructure.

distributed-systems security
4 min