Better Together: Amazon EKS Auto Mode and Istio Ambient Mesh
Containers Blog
This article demonstrates how Amazon EKS Auto Mode and Istio Ambient Mesh work together to simplify Kubernetes infrastructure management and service-to-service security.
- EKS Auto Mode automates node provisioning, scaling, patching, and lifecycle management
- Istio Ambient Mesh provides automatic mTLS encryption without sidecar proxies
- ztunnel (per-node proxy) handles Layer 3/4 security and traffic encryption
- Waypoint proxies enable optional Layer 7 features like request routing and circuit breaking
- Includes hands-on implementation guide from cluster creation through mTLS enforcement
- Demonstrates Layer 4 authorization policies restricting service-to-service communication
- Shows Layer 7 policies requiring authentication headers for application-layer access control
- Estimated cost approximately $0.25-$0.40 per hour for sample deployment
Together, EKS Auto Mode and Istio Ambient Mesh reduce operational overhead while providing built-in security through automatic mTLS and flexible authorization policies.
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