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  • Concepts
    • Traffic Management
    • Security
    • Observability
    • Extensibility
  • Setup
    • Getting Started
    • Platform Setup
      • Alibaba Cloud
      • Azure
      • Docker Desktop
      • Google Kubernetes Engine
      • Huawei Cloud
      • IBM Cloud
      • kind
      • Kops
      • Kubernetes Gardener
      • KubeSphere Container Platform
      • MicroK8s
      • Minikube
      • OpenShift
      • Oracle Cloud Infrastructure
      • Tencent Cloud
    • Install
      • Install with Istioctl
      • Install with Helm
      • Install Multicluster
        • Before you begin
        • Install Multi-Primary
        • Install Primary-Remote
        • Install Multi-Primary on different networks
        • Install Primary-Remote on different networks
        • Verify the installation
      • Install Istio with an External Control Plane
      • Virtual Machine Installation
      • Istio Operator Install *
    • Upgrade
      • Canary Upgrades
      • In-place Upgrades
      • Upgrade with Helm
    • More Guides
      • Installation Configuration Profiles
      • Installing Gateways
      • Installing the Sidecar
      • Customizing the installation configuration
      • Install Istio with the Istio CNI plugin
  • Tasks
    • Traffic Management
      • Request Routing
      • Fault Injection
      • Traffic Shifting
      • TCP Traffic Shifting
      • Request Timeouts
      • Circuit Breaking
      • Mirroring
      • Locality Load Balancing
        • Before you begin
        • Locality failover
        • Locality weighted distribution
        • Cleanup
      • Ingress
        • Ingress Gateways
        • Secure Gateways
        • Ingress Gateway without TLS Termination
        • Kubernetes Ingress
        • Kubernetes Gateway API
      • Egress
        • Accessing External Services
        • Egress TLS Origination
        • Egress Gateways
        • Egress Gateways with TLS Origination
        • Egress using Wildcard Hosts
        • Kubernetes Services for Egress Traffic
        • Using an External HTTPS Proxy
    • Security
      • Certificate Management
        • Plug in CA Certificates
        • Istio DNS Certificate Management
        • Custom CA Integration using Kubernetes CSR *
      • Authentication
        • Authentication Policy
        • JWT claim based routing *
        • Mutual TLS Migration
      • Authorization
        • HTTP Traffic
        • TCP Traffic
        • JWT Token
        • External Authorization
        • Explicit Deny
        • Ingress Gateway
        • Trust Domain Migration
        • Dry Run *
    • Policy Enforcement
      • Enabling Rate Limits using Envoy
    • Observability
      • Telemetry API
      • Metrics
        • Collecting Metrics for TCP Services
        • Customizing Istio Metrics
        • Classifying Metrics Based on Request or Response
        • Querying Metrics from Prometheus
        • Visualizing Metrics with Grafana
      • Logs
        • Envoy Access Logs
      • Distributed Tracing
        • Overview
        • Jaeger
        • Zipkin
        • Configure tracing using MeshConfig and Pod annotations *
        • Lightstep
      • Visualizing Your Mesh
      • Remotely Accessing Telemetry Addons
  • Examples
    • Bookinfo Application
    • Bookinfo with a Virtual Machine
    • Learn Microservices using Kubernetes and Istio
      • Prerequisites
      • Setup a Kubernetes Cluster
      • Setup a Local Computer
      • Run a Microservice Locally
      • Run ratings in Docker
      • Run Bookinfo with Kubernetes
      • Test in production
      • Add a new version of reviews
      • Enable Istio on productpage
      • Enable Istio on all the microservices
      • Configure Istio Ingress Gateway
      • Monitoring with Istio
  • Operations
    • Deployment
      • Architecture
      • Deployment Models
      • Virtual Machine Architecture
      • Performance and Scalability
      • Application Requirements
    • Configuration
      • Mesh Configuration
        • Dynamic Admission Webhooks Overview
        • Wait on Resource Status for Applied Configuration
        • Automatic Sidecar Injection
        • Health Checking of Istio Services
      • Traffic Management
        • Protocol Selection
        • TLS Configuration
        • Traffic Routing
        • Configuring Gateway Network Topology *
        • DNS Proxying
      • Security
        • Security policy examples
        • Harden Docker Container Images
      • Observability
        • Envoy Statistics
        • Monitoring Multicluster Istio with Prometheus
      • Extensibility
        • Distributing WebAssembly Modules *
    • Best Practices
      • Deployment Best Practices
      • Traffic Management Best Practices
      • Security Best Practices
      • Observability Best Practices
    • Common Problems
      • Traffic Management Problems
      • Security Problems
      • Observability Problems
      • Sidecar Injection Problems
      • Configuration Validation Problems
    • Diagnostic Tools
      • Using the Istioctl Command-line Tool
      • Debugging Envoy and Istiod
      • Understand your Mesh with Istioctl Describe
      • Diagnose your Configuration with Istioctl Analyze
      • Istiod Introspection
      • Component Logging
      • Debugging Virtual Machines
      • Troubleshooting Multicluster
      • Troubleshooting the Istio CNI plugin
    • Integrations
      • cert-manager
      • Grafana
      • Jaeger
      • Kiali
      • Prometheus
      • Zipkin
  • Releases
    • Feature Status
    • Reporting Bugs
    • Security Vulnerabilities
    • Supported Releases
    • Contribute Documentation
      • Work with GitHub
      • Add New Documentation
      • Remove Retired Documentation
      • Build and serve the website locally
      • Front matter
      • Documentation Review Process
      • Add Code Blocks
      • Use Shortcodes
      • Follow Formatting Standards
      • Style Guide
      • Terminology Standards
      • Diagram Creation Guidelines
    • Website Content Changes
  • Reference
    • Configuration
      • Telemetry
      • IstioOperator Options
      • Global Mesh Options
      • Analysis Messages
      • Configuration Status Field
      • Traffic Management
        • Destination Rule
        • Envoy Filter
        • Gateway
        • Workload Entry
        • Service Entry
        • Sidecar
        • Virtual Service
        • Workload Group
      • Proxy Extensions
        • Wasm Plugin
        • Metadata Exchange Config
        • Stackdriver Config
        • Stats Config
        • AccessLogPolicy Config
        • AttributeGen Config
        • Wasm-based Telemetry *
      • Security
        • JWTRule
        • PeerAuthentication
        • RequestAuthentication
        • Authorization Policy
        • Authorization Policy Conditions
        • Authorization Policy Normalization
      • Istio Standard Metrics
      • Common Types
        • Workload Selector
      • Resource Annotations
      • Resource Labels
      • Configuration Analysis Messages
        • Analyzer Message Format
        • ConflictingMeshGatewayVirtualServiceHosts
        • ConflictingSidecarWorkloadSelectors
        • DeploymentAssociatedToMultipleServices
        • DeploymentConflictingPorts
        • DeploymentRequiresServiceAssociated
        • Deprecated
        • DeprecatedAnnotation
        • GatewayPortNotOnWorkload
        • InternalError
        • InvalidAnnotation
        • InvalidApplicationUID
        • InvalidRegexp
        • IstioProxyImageMismatch
        • JwtFailureDueToInvalidServicePortPrefix
        • LocalhostListener
        • MisplacedAnnotation
        • AlphaAnnotation
        • MultipleSidecarsWithoutWorkloadSelectors
        • NamespaceMultipleInjectionLabels
        • NamespaceNotInjected
        • NoMatchingWorkloadsFound
        • NoServerCertificateVerificationDestinationLevel
        • NoServerCertificateVerificationPortLevel
        • MTLSPolicyConflict
        • PodMissingProxy
        • PortNameIsNotUnderNamingConvention
        • ReferencedResourceNotFound
        • ServiceEntryAddressesRequired
        • UnknownAnnotation
        • VirtualServiceDestinationPortSelectorRequired
        • VirtualServiceHostNotFoundInGateway
        • VirtualServiceIneffectiveMatch
        • SchemaValidationError
        • VirtualServiceUnreachableRule
    • Commands
      • install-cni
      • istioctl
      • operator
      • pilot-agent
      • pilot-discovery
    • Glossary
  1. Documentation
  2. Operations
  3. Configuration
  4. Extensibility

Extensibility

Helps you manage extensions to the service mesh.

Distributing WebAssembly Modules

Describes how to make remote WebAssembly modules available in the mesh.

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