Scaling with Reverse Proxies and API Gateways

Fri, 15 May 2026 00:00:00 +0000

Imagine your application starts small, a single server humming along, directly serving every user request. What happens when users multiply by thousands, or even millions? Direct access quickly becomes a bottleneck, a security risk, and a nightmare to manage. This is where reverse proxies and API gateways step in, transforming a fragile single point into a robust, scalable entry for your entire system.

In this chapter, we’ll peel back the layers of how modern systems handle inbound traffic, learning the timeless engineering principles behind reverse proxies and API gateways. You’ll understand not just what these components are, but why they are indispensable for building scalable, resilient, and secure architectures, especially in the context of distributed systems and emerging AI agent workflows. We’ll explore their core functionalities, their evolution, and how to think about integrating them into your designs without falling into the trap of over-engineering.

Scaling Netflix: Elasticity, Load Balancing, and Autoscaling

Thu, 19 Mar 2026 00:00:00 +0000

Introduction

Welcome to Chapter 9 of our deep dive into “How Netflix Works Internally.” In previous chapters, we laid the groundwork by discussing Netflix’s microservices architecture and principles of fault tolerance. Now, we confront a fundamental challenge for any global streaming service: how to handle massive, fluctuating user demand while maintaining high performance and availability. This is where the concepts of elasticity, load balancing, and autoscaling become paramount.

In this chapter, we will explore the core strategies Netflix employs to scale its infrastructure. You’ll learn how Netflix leverages cloud elasticity to dynamically adjust resources, distributes incoming traffic efficiently using various load balancing mechanisms, and automates resource provisioning and de-provisioning through sophisticated autoscaling solutions. Understanding these mechanisms is crucial for appreciating how Netflix can serve millions of concurrent users worldwide without skipping a beat.

Load Balancing on AI VOID

Scaling with Reverse Proxies and API Gateways

Scaling Netflix: Elasticity, Load Balancing, and Autoscaling

Introduction