Explore the concept of service mesh extensibility in this 27-minute conference talk by Lin Sun from Solo.io. Dive into various use cases and extension points that service meshes can offer users, using Istio as a primary example. Learn how to enhance sidecar proxies, gateways, mesh control planes, and integrate certificate authorities or external authorization systems. Gain intermediate-level insights on leveraging service mesh capabilities to their full potential, ideal for those already familiar with service mesh basics and looking to advance their knowledge.