Service Mesh Layer
Red Hat OpenShift Service Mesh (Istio/OSSM)
Without Service Mesh
With Service Mesh
📦
App A Pod
Direct communication
No encryption
No observability
📦
App B Pod
Direct communication
No encryption
No observability
App A Pod
📦
App A Container
localhost:8080
🔷
Envoy Sidecar
Proxy & Policy Enforcement
App B Pod
📦
App B Container
localhost:8080
🔷
Envoy Sidecar
Proxy & Policy Enforcement
🎛️
Istiod
Control Plane
Certificate Authority
Configuration
🚀
Service Mesh Capabilities
🔒
Automatic mTLS Encryption
🔄
Traffic Routing & Canary Deployments
⏱️
Retries, Timeouts & Circuit Breaking
📊
Distributed Tracing & Metrics
🎯
Fine-grained Access Control
🔍
Service-to-Service Observability