Cloud Architecture

Istio Service Mesh: mTLS & Traffic Splitting

Cloud Architecture diagram · made in Skemio

Kubernetes service mesh architecture showing an ingress gateway routing requests to Envoy sidecars with mTLS encryption and a 90/10 canary traffic split.
Kubernetes service mesh architecture showing an ingress gateway routing requests to Envoy sidecars with mTLS encryption and a 90/10 canary traffic split.
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What it shows

  • Envoy sidecars inject mutual TLS without touching your application code.
  • VirtualServices enable granular percentage-based canary traffic routing.
  • Istiod handles automatic certificate rotation and cryptographic verification.

The takeaway

Istio transparently enforces zero-trust pod communication while enabling zero-downtime canary traffic releases.

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