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Does NGINX Gateway Fabric, Traefik, and Istio really behave the same on Kubernetes Gateway API? Spoiler: they don't and the difference can break your production traffic. In this video, we go beyond the YAML and compare how three of the most popular Kubernetes Gateway API controllers actually work under the hood traffic flow, routing decisions, failure behavior, and debugging complexity. If you're choosing a controller for production, this is the video you need to watch first. What you'll learn: - Why the Gateway API standardizes config but NOT behavior - How NGINX Gateway Fabric handles routing as a central reverse proxy - How Traefik uses event-driven dynamic routing — and where it can fail - How Istio's service mesh architecture changes everything about traffic flow - A real side-by-side comparison across failure handling, observability, and complexity - Which controller to choose based on your actual use case 🔷 NGINX Gateway Fabric Central reverse proxy model Simple, predictable routing Best for ingress migration & stable systems 🔶 Traefik Dynamic, event-driven routing Automatically updates on Kubernetes changes Best for fast-moving teams & frequent deployments 🔴 Istio (Service Mesh) Sidecar proxy (Envoy) per pod mTLS, traffic splitting, canary deployments Deep observability & security Best for large-scale platforms ✅ Same GatewayClass ✅ Same HTTPRoute ❌ Completely different behavior Choosing a controller is not a config change; it’s an architecture decision. ▬▬▬▬▬▬▬ Timestamps ▬▬▬▬▬▬▬ 00:00 - Gateway API: What Actually Matters 00:17 - Architecture & Core Concepts 02:02 - NGINX Gateway Fabric Explained 02:52 - Traefik Explained 04:12 - Istio Service Mesh Explained 05:39 - Same YAML, Different Behavior 07:20 - Which Controller Should You Choose? 07:41 - Conclusion Comment below: Which Gateway API controller are you using and why? Watch Related Playlists: - Kubernetes Gateway API: https://www.youtube.com/playlist?list=PL-K2rw28HIwYxzgTFmObuFhfctfBPAc6h - Kubernetes: https://www.youtube.com/playlist?list=PL-K2rw28HIwZVMo9CtbV0wDu548SN0h9Y - Github Actions: https://www.youtube.com/playlist?list=PL-K2rw28HIwYfq7SqYnBzAxlUhcYP7ldM - Ansible: https://www.youtube.com/playlist?list=PL-K2rw28HIwaavCXTYEWF4mP431KmKtEY - AWX: https://www.youtube.com/playlist?list=PL-K2rw28HIwbTtijpBMrOaHdnWGXdOkYa - AI: https://www.youtube.com/playlist?list=PL-K2rw28HIwaSvmI8oFeSQDl4cVTdxaGQ ▬▬▬▬▬▬ Connect with me ▬▬▬▬▬▬ LinkedIn: https://www.linkedin.com/in/kumar-nikhil811/ Website: https://techinik.com Medium: https://medium.com/@kumarnikhil811 #kubernetes #gatewayapi #nginx #traefik #istio #devops #servicemesh #kubernetesnetworking #platformengineering #k8s
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