Client-side load balancing at a million requests per second

Engineering BlogMenuCategories ▼All Posts🔧 Backend🌍 Culture📊 Data🕸️ Frontend🧑‍🤝‍🧑 Leadership🤖 Machine Learning📱 Mobile🧑‍💻 Open Source🧠 ScienceTagsWork with usAbout ZalandoLight modeClient-Side Load Balancing at a Million Requests Per SecondHow we built an in-process client-side load balancer for a million requests per second of internal fan-out traffic, what we layered on top (N-ring fade-in, occupancy-based bounded load, and AZ-aware routing with a latency health factor), and how ha