A deep dive into how Istio Ambient mode's HBONE tunneling and traffic redirection are implemented in Envoy configs.
April 14, 2026#istio-ambient
4 posts
- Istio Part 2: Ambient Mode Under the Hood via Envoy Configs
- Istio Part 1: Why Istio Ambient Mode?
Introduction to why Channel.io's DevOps team chose Istio Ambient mode and how it works.
March 20, 2026 - Investigating Istio AuthorizationPolicy ext_authz in Envoy Config
Analyzing how Istio AuthorizationPolicy's action: CUSTOM works in Envoy config based on actual envoy config dump.
March 10, 2026 - RegularExpression Path Matching in HTTPRoute
Deep dive into Istio's HTTPRoute path matching priority and why PathPrefix always wins over RegularExpression
July 15, 2025