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Istio

Open SourceFunded

Simplified, secure service mesh for cloud native and traditional workloads

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About Istio

Istio is an open-source service mesh that extends Kubernetes to provide a programmable, application-aware network layer. It enables enterprises to manage complex cloud native and traditional workloads by offering universal traffic management, telemetry, and security features. Istio supports flexible deployment with or without sidecars, allowing organizations to select features such as zero-trust tunnels for Layer 4 security or Envoy proxies for advanced Layer 7 capabilities.

Designed for large enterprises operating hybrid and multi-cloud environments, Istio helps improve application reliability, security, and observability without adding developer overhead. Its capabilities include mutual TLS authentication, authorization, encryption, deep application visibility, and consistent networking management. Supported by a broad ecosystem of providers and consultants, Istio can be self-managed or consumed as a fully managed service mesh, making it adaptable to diverse enterprise infrastructure strategies.

Key Capabilities

  • Service-to-service security with mTLS authentication
  • Universal traffic management across Kubernetes and traditional workloads
  • Deep observability and telemetry for application performance
  • Consistent networking management without developer overhead
  • Flexible deployment with sidecar or ambient proxy modes

Integrations

KubernetesEnvoy ProxyCloud Provider Managed Kubernetes Services

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Quick Facts

istio.io
CategoryCloud Infrastructure
SubcategoryCloud Networking & CDN
PricingOpen Source
DeploymentOpen Source, Cloud
Target SizeEnterprise