Open Source Web Gateways

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Istio Gateway

Istio Gateway is a component of the Istio service mesh that provides traffic management, security, and observability for microservices. It acts as an ingress gateway, managing external traffic entering the service mesh and providing advanced routing capabilities.

Key Features

Traffic Management

Advanced routing rules, load balancing, and traffic splitting for canary deployments.

Security

mTLS encryption, authentication, and authorization policies.

Observability

Built-in metrics, distributed tracing, and logging integration.

Kubernetes Native

Designed specifically for Kubernetes environments.

Use Cases

  • Service Mesh: Managing microservices communication
  • Ingress Gateway: External traffic entry point
  • Canary Deployments: Gradual traffic shifting
  • Security: mTLS and policy enforcement
  • Observability: Service-to-service visibility

Configuration Example

Istio Gateway and VirtualService configuration:

apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
  name: my-gateway
spec:
  selector:
    istio: ingressgateway
  servers:
  - port:
      number: 80
      name: http
      protocol: HTTP
    hosts:
    - example.com

Advantages

  • Comprehensive service mesh solution
  • Kubernetes-native integration
  • Built-in security and observability
  • Backed by major cloud providers
  • Active development and community

Official Resources