Envoy

Architecting Scalable API Gateways: Envoy's Request Routing Engine Explained

Envoy’s request routing engine powers some of the world’s largest API gateways and service meshes. This post breaks down its architecture, route matching mechanics, weighted cluster strategies, and production patterns you can apply today.

Diagram of Envoy proxy running a WASM filter intercepting edge requests.

Implementing Envoy's WASM Filter API for Custom Auth at the Edge

A practical guide to shipping a production-grade Envoy WASM filter that validates JWTs and custom tokens at the edge gateway.

Diagram of Envoy routing gRPC unary and streaming calls from clients to backend services

Architecting gRPC Streaming Services with Envoy as an API Gateway

How to design, configure, and operate Envoy as an API gateway for gRPC streaming services — covering protocol translation, observability, and the failure modes that bite in production.