What is istio service mesh ?

Istio Concepts

• Security

• Canary Deployments

• Timeout

• Rate Limiting

• Monitoring

• Observability

• Logging

• Tracing

https://istio.io/docs/ops/deployment/architecture/

Zeus-Search

Search-Api

Without Envoy

Pod

Pod

Zeus

Zeus-Search

Envoy

Search

Search-Api

Envoy

With Envoy

Pod

Pod

Traffic Management Api

Gateways

Destination Rules

Virtual Services

Service Entries

Sidecar

Gateways

• Manage inbound and outbound traffic

• Manage which traffic you want to enter or leave the mesh

• Http or Https

Virtual Service

• Configure how requests are routed to a service within an Istio service mesh

• Timeout Management

• Vs saved to etcd by ks8 api server and pilot translates to  envoy config

• A/B Testing

• Fault Injection

Destination Rules

• DestinationRule defines policies that apply to traffic intended for a service after routing has occurred

•  Load balancing policies

• Tls settings

• Connection Pool

Service Entries

• ServiceEntry enables adding additional entries into Istio’s internalservice registry

• Metrics and trace for external services

• WhiteList Ip Address