A year ago, Shaun faced the task of upgrading Calico to support **over 15,000 nodes and 10,000 network policies **without losing performance.

This video provides an in-depth overview of scale-out architecture, whether you're looking for a network policy solution or just interested in how we scaled our application on Kubernetes. You'll see how it evolved, how we conduct high-scale testing, and the improvements in version 3.27 that enhance performance.

*Key Highlights:
*🚀 Extensive Scalability: Learn how Calico now handles 15,000+ nodes.
🛠️ Architecture Evolution: See the advancements in Calico's network policy engine.
🧪 Testing at Scale: Discover our methods for high-scale testing and performance validation.
📈 Version 3.27 Improvements: Explore the enhancements that optimize performance and scalability.